The Wave, Arizona, USA

Kauai, HI Waterfalls

The Pinnacles, Australia

Leo Carillo, CA

Stunning pic of Monument Valley. (does anyone know how this was formed?)

Iguazu falls

Olympic National Park, Washington

Stingray Bay

Turquoise Pool, Chile

Cliff of Moher, Ireland

Son Doong Cave, Vietnam. The largest cave in the world.

Washington Coast

Fjallabak, Iceland