Home to a protest movement, a bombing, and a dramatic change in labor history.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

A bloodstain from "the wound of the transverberation of the heart."

An eccentric park and pool.

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

Explore 10 acres of environmental sculptures.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

A Museum of Holography frozen in 1974.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

One kilometer of thick brass rod laid out before your eyes.

A collection of unique outdoor sculptures surounded by the beauty of nature.

Furniture tries to escape an abandoned building in San Francisco.

An experimental, automotive replica of Stonehenge.

A fitting attraction for the corn capital of the world.

Less a museum than a bizarre fantasy world created by artists and engineers.

A school teacher's massive and terrifying self-built castle.

The spectacular collection of one of the world's best woodcarvers.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

A huge musical instrument played by the ocean.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

A museum dedicated to exhibiting remarkable outsider art.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

Site of a former hidden treehouse in New Orleans.