California coast south of Half Moon Bay.
California coast south of Half Moon Bay.
Tosua Ocean Trench, Lotofaga, Samoa
Indonesia, Bali
Ironton, Colorado
The Reed Flute Cave in China
Cala Dogana, Levanzo, Italy
Ice Caves of Kamchatka, Russia
Turquoise Crater Lake - Java, Indonesia
Algonquin Provincial Park, Quebec.
China
Glen Canyon, Utah
Epirus, Greece