A clear blue swimming hole with hidden caves, still unexplored.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

Run by members of the Tohono O'odham Nation, this community farm nurtures traditional desert cultivars.

The fading, forgotten remains of a once bright and booming factory.

Peanut butter trees and miracle berries are just the beginning.

Landscape of bizarrely shaped desert mountains and innumerable rock carvings.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

One man's grief over the national tragedy has manifested in a pod of homemade whales on his front lawn.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

This beautiful arched gate is all that remains of the fortress the ancient mountaintop town of Amadiya once was.

Kenya’s oldest town is more than 700 years old and home to 6,000 donkeys.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

Huge spherical rocks in the middle of the prairie.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A South African bar inside a hollowed out 6,000-year-old Baobab.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The great Danube river starts here.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

Staves, storm-calling, and of course, necropants.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.