Snow on Sandstone Monocline, West of Kayenta, Navajo Nation, Arizona

Lake Tahoe, Nevada.

The sky in the ground. Yellowstone National Park

The Georgian Bay Grotto, Ontario, Canada

Five dead trees in front of a massive sanddune

Simultaneous Moonrise and Sunset over a lake in Lehtisaari - Finland

Appalachian Trail, Smoky Mountains, Tennessee

Mt. Albert, Lake Wanaka, NZ

El Yunque Rainforest, Puerto Rico

Green hills in Sri Lanka

Mono Lake, California

A river amidst a forest, Xinjiang, China

Durdle Door in Dorset, Great Britain