Onondaga Cave, Missouri

Ouem El Ma lake, Libya

Salt Flats of Bolivia

Sandstone pillars, Meteora, Greece

Goreme, Turkey

Sister mountains with the full moon setting at sunrise west of Bend, Oregon.

Durdle Door, Jurassic Coast

The Reed Flute Cave in China

Lake Tahoe, Nevada.

Path at a Irish Campsite

Waterfalls in Plitvice Lake, Croatia

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

Trunk Bay in St. John, US Virgin Islands