One man's lifelong obsession with death.

This Great Depression-era creation was once known as the strangest house in the world.

A unique sculpture park that specializes in the huge and bizarre.

An eerie, decaying ghost town destined to fade into the forest.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

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

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

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

Eighteen miniature death-scene dioramas.

A recently abandoned psych ward at the end of Sanatorium Road.

This park contains a number of standing stones meant to heal and inspire.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

Mysterious rocks that ring musically when struck.

Century-old shop, specializing in Occult products.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Where America's first doomsday cult awaited the end of the world.

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

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

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

A park full of outsider art, created by college students studying outsider art.