World's largest collection of serial killer artwork and other macabre exhibits.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A terrific purveyor of natural history objects and curios.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A huge musical instrument played by the ocean.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

One of the largest collections of merchandise from the famous British sci-fi show can be found smack in the middle of Indiana.

This former Indiana quarry has been transformed into a park and SCUBA site where divers can explore the drowned mining equipment.

Nature and art meet in this curvy creation

This former office building has been transformed into an immersive music venue and art space.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

Symbolic attempt to overcome the issues of life.

A medical facility that has been kept frozen in time.

The longest navigable underground river in the United States is home to countless blind and albino animals.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

A community of collapsing homes more than a mile out from the Florida coast.

Where monkeys run wild and the humans are caged.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

An underwater city for the dead.