A frozen oasis lies beneath the scorching New Mexico desert.

Metal water storage tank turned ethereal concert hall.

What began as an art installation is now the private drinkhaüs for a brewery's employees.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

All that's left of the quintessential "cabin in the woods."

Apartment complexes built into huge repurposed natural gas tanks.

This repurposed church offers a more literal way to get closer to the heavens.

A series of caves, tunnels, and wells filled with fascinating figures and symbols.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

This amazing ancient cave was kept secret for seven years to protect it from the public.

Rainbow-hued in the summer and crystalline in the winter, this salty lake has inspired battles, temples, and plenty of awe.

An off-the-beaten path cave with an underground lake.

An old California photo stand has been turned into a shrine to the cozy art of crochet.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

The unbelievably opulent home built for an infamous newspaperman.

A hand-built folk art installation covered with messages of God's love.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

The longest continuous lava tube in Oregon.

A beautiful 62-acre Catholic shrine and botanical garden.