The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

One man's ambition created this psychedelic log home.

Site of a former hidden treehouse in New Orleans.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A white Buddhist temple with a golden restroom.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Healing Springs that once ran red with soldiers' blood.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

Crumbling remnants of what was once a booming town full of silver.

This shop specializes in oddities and Victorian-inspired wonders.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Prehistoric animals decorate this popular outdoor park.

A mysterious drive-in nestled in the forest that leaves little to the imagination.

A store that sells all manner of bones, insects, and animal curiosities.