Eighty million natural history specimens call this gargantuan museum home.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

This natural history collection contains the bones of a circus elephant that seem to be chasing a whale skeleton.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

The largest collection of two headed animals in the world.

Playable, historic pinball machines fill this Alameda museum.

Treehouse motel and treehouse-building school.

These cinderblock farmhouses were actually World War II radar stations in disguise.

A collection of colorful dinosaurs hidden in an actual rainforest.

An eclectic trailer park retreat in the middle of the California desert.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This might just be the TARDIS of bookstores.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

Arlington Cemetery exhibit dedicated to death and grieving.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

In the early 1800s, surgery was also a show.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A monument to the art of slicing people open.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Brain collection and database that narrows the gap between man and animal.

Folky pharmaceuticals abound in this medicinal reliquary.

This museum showcases the history and contributions of the U.S. Army to the medical industry, both on the battlefield and off.