Michael Hutchinson / Cruise ship in front of snow covered mountains, Paradise Bay, Antarctica, January.

Terry Whittaker / Blue lagoon, geothermal spa, at night, Iceland, November 2012

Cyril Ruoso / Tourists soaking in Blue Lagoon spa at Svartsengi Geothermal Power Plant, Reykjanes Peninsula, Iceland

Gavin Hellier / The Blue Lagoon, Iceland's most famous tourist attraction is located among the black lava flows outside Reykjavik. The geothermal spa owes its existence to the Svartsengi geothermal power plant powere...

Gavin Hellier / The Blue Lagoon, Iceland's most famous tourist attraction is located among the black lava flows outside Reykjavik. The geothermal spa owes its existence to the Svartsengi geothermal power plant powere...

Nick Upton / Overview of Bath city showing Bath Spa railway station, St. John's Church and the Recreation ground, Somerset, UK, April 2011.

Steve Packham / Moorhen (Gallinula chloropus) juvenile at water's edge, UK

Angelo Gandolfi / People using a Hot Natural Spa of Saturnia, at night Tuscany, "Maremma", Italy. April 2009

Steve Packham / Portrait of Praying mantid {Pseudocreobotra wahlbergi} captive, Africa

Steve Packham / African praying mantis {Sphodromantis}, Africa

Steve Packham / African praying mantid {Polyspilota aeroginosa}, Africa

Steve Packham / Dead leaf mantis {Phyllocrania illudens}, found Madagascar / Africa