This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Ever hear of the Milazzo Cage?

America's most famous piece of self-built architecture.

A beautiful but toxic fountain of mercury.

A Hawaiian stairway to heaven—that you can't climb.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

A crucified and bearded female saint.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A 140-year-old castle with underground caves hidden in San Francisco.

The last of its kind in the country.

The perfect place to take a family of giants for a beach vacation.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

A building so large that it has its own weather.

One man's vision and a labor of love of many.

This giant seated Bhudda of Healing dates to the 1780s.

Commonly acknowledged as the only public monument to the Devil himself.

A tunnel of hardened lava along Maui’s famous Road to Hana.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

Lone survivor from Custer's Last Stand forever preserved.

A modernist landscape of water and sci-fi concrete.