Jeff Foott / Ancestral Puebloan ruins, Road Canyon, Bears Ears National Monument, Utah

Cyril Ruoso / WWI cemetery, Namib-Naukluft National Park, Namibia

Cyril Ruoso / Abandoned train station in desert, Namib-Naukluft National Park, Namibia

Scott Leslie / Xunantunich ancient Mayan archaeological site, Belize

Michael Durham / Whitcomb-Cole Hewn Log House window, these houses are an example of early pioneer homes built in the 1890's, Conboy Lake National Wildlife Refuge, Washington

Michael Durham / Historical Rhea County Courthouse where the Scopes Monkey Trial was held, Dayton, Tennessee

Michael Durham / Historical Rhea County Courthouse in which the Scopes Monkey Trial held, Dayton, Tennessee

Michael Durham / William Jennings Bryan statue and historical Rhea County Courthouse where the Scopes Monkey Trial was held, Dayton, Tennessee

Michael Durham / William Jennings Bryan statue and historical Rhea County Courthouse where the Scopes Monkey Trial was held, Dayton, Tennessee

Matthias Breiter / Carved post supports house and symbolizes the exploits of Duk-toothl, Totem Bight State Historical Park, Ketchikan, Alaska

Matthias Breiter / Man Wearing Bear Hat Totem carved by the Tlingit people acts as grave marker, Totem Bight State Historical Park, Ketchikan, Alaska

Colin Monteath / Machu Picchu at dawn above Urubamba Valley near Cuzco, Peru

Paul D Stewart / Illustration of The British Museum in Montagu House, Great Russel (sic) Street. Engraved by William Henshall from a study by T.H. Shepherd. From Shepherd's series 'London and its Environs in the Ninet...

Tom Vezo / Native American ruins, Gila Cliff Dwellings National Monument, New Mexico

Tom Vezo / Native American ruins, Gila Cliff Dwellings National Monument, New Mexico

Tom Vezo / Native American ruins, Gila Cliff Dwellings National Monument, New Mexico

Tom Vezo / Anasazi Indian cliff dwellings built around 1060 AD, Canyon de Chelly National Monument, Arizona

Barry Bland / Boca Grande Lighthouse, at the southern tip of Gasparilla Island, Gasparilla Island State Park, Boca Grande, Lee County, SW Florida, USA. ^^^It was built in 1890 by the U.S. Lighthouse Service to mark...

Onne van der Wal / Model boat builder, Robert Eddy, working on the mast of a scale model of the 1915 Herreshoff schooner "Mariette" in his shop in Camden, Maine, USA.

Onne van der Wal / Model boat builder, Robert Eddy, adding detail to a scale model of the 1915 Herreshoff schooner "Mariette" in his shop in Camden, Maine, USA.

Angelo Giampiccolo / A view of the Castel Sant'Angelo and the angel statues on the Ponte Sant' Angelo (angel's bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Ro...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo and the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / Saint decorating a building in the old town of Ragusa, known as Ragusa Ibla. The word "Ibla " comes from "monti Iblei", which are the mountains around Ragusa, Italy. ^^^Ragusa Ibla has become a major...

Angelo Giampiccolo / View of the Castel Sant'Angelo and the angel statues on the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roma...

Angelo Giampiccolo / View of the Castel Sant'Angelo and the Ponte Sant' Angelo (Angel's bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo and the Ponte Sant' Angelo (Angel's bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / Castel Sant'Angelo and the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as a mausoleum...

Angelo Giampiccolo / Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as a mausoleum...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo and the angel statues on the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roma...

Angelo Giampiccolo / A seagull perching on one of the statues that adorns the Ponte Sant' Angelo (Angel's bridge), Rome, Italy. The bridge, also known as Pons Aelius, spans the river Tiber and leads to the Castel Sant'Ang...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Onne van der Wal / Building a traditional Beetle cat in Padanaram, Massachusetts. ^^^Designed in 1921 by Carl Beetle, these colourful gaff-rigged dinghies continue to be built and remain an active and popular one-design...

Onne van der Wal / Man hammering nail into traditional Beetle cat in Padanaram, Massachusetts. Designed in 1921 by Carl Beetle in MA, these gaff-rigged dinghies continue to be built and remain an active and popular one-...

Angelo Giampiccolo / View of the Castel Sant'Angelo from the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Angelo Giampiccolo / View of the Castel Sant'Angelo with angel statue in foreground, Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as a mausoleum...

Angelo Giampiccolo / View of the Castel Sant'Angelo and the Ponte Sant' Angelo (Angel's Bridge), Rome, Italy. ^^^The castle is also known as the Mausoleum of Hadrian as it was commissioned by the Roman Emperor Hadrian as...

Matthias Breiter / Mortuary poles at SGang Gwaay Llnagaay, Gwaii Hannas National Park, Canada

Matthias Breiter / Haida totem poles on Anthony Island, South Moresby/Gwaii Haanas National Park Preserve, Queen Charlotte Islands, British Columbia, Canada

Bryan and Cherry Alexander / Remains of barrack building with prisoners' sleeping platforms at the Kinzhalnyi Stalin Camp near Salekhard. Yamal, Western Siberia, Russia, 2003.

Bryan and Cherry Alexander / Remains of barrack building in which prisoners slept at the Kinzhalnyi Stalin Camp near Salekhard. Yamal, Western Siberia, Russia, 2003.

Yva Momatiuk & John Eastcott / Ruins of monumental public buildings called Pueblo Bonito, ancestral Puebloan culture, AD 850-1250 Chaco Canyon, Chaco Culture National Historical Park, New Mexico

Yva Momatiuk & John Eastcott / Ruins of monumental public buildings called Pueblo Bonito, ancestral Puebloan culture, AD 850-1250 Chaco Canyon, Chaco Culture National Historical Park, New Mexico

Jim Brandenburg / Pueblo or Anasazi Indian cliff dwellings built around 1200 AD, Cliff Palace, Mesa Verde National Park, Colorado

Mitsuhiko Imamori / Historical collection of Thomson's Beetle specimens, France

Kirkendall-Spring / Wooden fence around John Oliver Place historical building, Cades Cove area, Great Smoky Mountains National Park, Tennessee, USA. April, 2022.

Shane P. White / Statue, Angkor Wat, Cambodia

Shane P. White / Sun and Moon Pagodas at night, Guilin, Guangxi, China

Shane P. White / Pagoda, Nyaung-U, Myanmar

Shane P. White / Seventeenth century fortress, Punakha, Bhutan

Shane P. White / Seventeenth century fortress, Punakha, Bhutan

Shane P. White / Church, Amaghu River Gorge, China

Shane P. White / Ruin, Zvartnots Cathedral, Armenia

Shane P. White / Ruin, Zvartnots Cathedral, Armenia

Shane P. White / Pagoda at dusk, China

Shane P. White / Sun and Moon Pagodas, Guilin, Guangxi, China

Shane P. White / Mukden Palace, China

Shane P. White / Traditional building, Mukden Palace, China

Shane P. White / Gate, Mukden Palace, China

Shane P. White / Gate, Great Wall of China, Shanhai Pass, China

Shane P. White / Seventeenth century fortress, Punakha, Bhutan

Shane P. White / Seventeenth century fortress, Punakha, Bhutan

Shane P. White / Traditional building, Pingyao, China

Shane P. White / Traditional building, Pingyao, China

Shane P. White / Traditional building, Pingyao, China

Shane P. White / Traditional building, Pingyao, China

Shane P. White / Pagoda, Grand Palace Complex, Phnom Penh, Cambodia

Shane P. White / Mosque, Bandar Seri Begawan, Brunei

Shane P. White / Buildings in thirteenth century city, Lijiang, China

Shane P. White / Canal in thirteenth century city, Lijiang, China

Philippe Clement / Hohenschwangau Castle, 19th-century palace and childhood residence of King Ludwig II of Bavaria at Hohenschwangau, Bavaria, Germany, October 2019

Philippe Clement / Hohenschwangau Castle, 19th-century palace and childhood residence of King Ludwig II of Bavaria at Hohenschwangau, Bavaria, Germany, October 2019

Philippe Clement / Hohenschwangau Castle, 19th-century palace and childhood residence of King Ludwig II of Bavaria at Hohenschwangau, Bavaria, Germany, October 2019

Philippe Clement / Neuschwanstein Castle seen from Marienbrucke in autumn / fall, 19th-century Romanesque Revival palace at Hohenschwangau, Bavaria, Germany, October 2019

Philippe Clement / Neuschwanstein Castle seen from Marienbrucke in autumn / fall, 19th-century Romanesque Revival palace at Hohenschwangau, Bavaria, Germany, October 2019

Philippe Clement / Taxidermy African animals in the AfricaMuseum / Royal Museum for Central Africa, ethnography and natural history museum at Tervuren, Belgium, 2019

Philippe Clement / Ruins of the medieval Chateau de Montsegur castle on hilltop at sunset, stronghold of the Cathars, Ariege, Occitanie, France, September 2018

Philippe Clement / Panoramic view over the island Mousa and Sand Lodge at Leebotten, Sandwick, Shetland Islands, Scotland, UK. May 2018

Philippe Clement / Sumburgh Head Lighthouse, built by Robert Stevenson at the southern tip of Mainland of Shetland, Scotland, UK. May 2018

Philippe Clement / Reconstructed 2500 year old crannog, prehistoric dwelling at the Scottish Crannog Centre on Loch Tay near Kenmore, Perth and Kinross, Scotland, UK. June 2018

Philippe Clement / Reconstructed 2500 year old crannog, prehistoric dwelling at the Scottish Crannog Centre on Loch Tay near Kenmore, Perth and Kinross, Scotland, UK. June 2018

Philippe Clement / View over Scalloway Castle, museum and fishing boats in the harbour of the village Scalloway on the Mainland, Shetland Islands, Scotland, UK. June 2018

Philippe Clement / Tourist visiting Mousa Broch, tallest Iron Age broch and one of Europe's best-preserved prehistoric buildings, Shetland Islands, Scotland, UK. June 2018. Digital composite

Philippe Clement / 18th century royal hunting lodge in Baroque style at Jaegersborg Dyrehaven forest park north of Copenhagen, Denmark. September 2018

Philippe Clement / Castle Stalker, medieval four-story tower house / keep at sunset in Loch Laich, inlet off Loch Linnhe near Port Appin, Argyll, Scotland, UK. June 2018

Philippe Clement / Castle Stalker, medieval four-story tower house / keep at sunset in Loch Laich, inlet off Loch Linnhe near Port Appin, Argyll, Scotland, UK. June 2018

Philippe Clement / East House / Easthouse Croft, restored traditional white crofter's house with thatch roof, Papil, West Burra, Shetland Islands, Scotland, UK. June 2018

Philippe Clement / Pont Saint-Benezet / Pont d'Avignon over the river Rhône, Avignon, Vaucluse, Provence-Alpes-Cote d'Azur, France. September 2018

Philippe Clement / Citadel of the city Sisteron on the banks of the River Durance, Provence-Alpes-Cote d'Azur, Alpes-de-Haute-Provence, France. September 2018

Philippe Clement / Citadel and the city Sisteron on the banks of the River Durance, Provence-Alpes-Cote d'Azur, Alpes-de-Haute-Provence, France. September 2018