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

A museum dedicated to exhibiting remarkable outsider art.

The trials and tribulations of marking Poe's grave.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Remnants of a storybook amusement park hidden behind a strip mall.

Eighteen miniature death-scene dioramas.

Could it have picked a better place to land?

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

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

A larger-than-life statue of America's favorite sundae marks the place it was invented.

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

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This vast kitty-themed collection illustrates the history of human-cat interaction.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

Jule Körner's house full of bizarre architectural details.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This woodland architectural installation acts as a camera obscura for the heavens.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.