The Ryerss mansion in Burholme Park now houses a community library and a museum filled with a trove of oddities from around the world.

This free, take-a-book shop seems like a trick but isn't.

An unusual and eclectic collection of local historical memorabilia.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

The abandoned coal loading dock is a canvas for unsanctioned art.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

A retired firefighter created this contraption so he and his family wouldn't die if accidentally buried alive.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This forgotten building was one of the few Philadelphia-area breweries to survive Prohibition.

The first American axe throwing club.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

The largest collection of Frazetta originals in the world.

A granite monument honors a beloved World War II canine mascot.

On the hills of Bay Ridge stands a house straight out of a fairy tale.