Old Man's Cave - Hocking Hills, Ohio

Stevens Arch, near the mouth of Coyote Gulch, Utah.

Lagoa das Sete Cidades, Portugal

Cliffs of Moher, Ireland

Japanese Maple Tree, 'Inner Peace' by Peter Lik

Dean's Blue Hole, Long Island, Bahamas.

Bull of the Woods Wilderness, Oregon

Uvac River Canyon, Serbia

The Springs Resort and Spa at Arenal, Costa Rica

Soča River, Slovenia

Yushan National Park, Taiwan

Plitvice waterfalls - Croatia

Dunglen, Co. Antrim, Northern Ireland.