Hume Lake, Sequoia National Forest of Fresno County, California by Lou Lu

Lighthouse, Kauaii

Vermillion Lakes, Canada

Green hills in Sri Lanka

Mount Roraima South America

Balls Pyramid - The worlds tallest sea stack, at 562 metres, in Lord Howe Island, New South Wales, Australia.

Tufas at Lake Mono, California

Jay Cooke National Park, MN

The Great Blue Hole in Belize - A large submarine sinkhole which is over 984 feet across and 407 feet deep.

Northern Wales

Porto Moniz, Portugal

Beach homes, Bora Bora

El sótano de las golondrinas, San Luis Potosí, México