An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Walk through the history of American pop culture.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

One man's extraordinary topiary garden in a small South Carolina town.

Former hotel turned into haunted playground.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

An astounding collection of medical specimens, including bits of President Lincoln.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

A museum celebrating the self-taught artist-environment builder.

A bedazzled house and crown "jewel" of outsider artist Loy Allen Bowlin.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

Home of an evil witch famous within southern folklore.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

Bizarre Cavern.

Eclectic architecture in the woods of New York.

Comprehensive gaming collection of over 30,000 electronic games and consoles.