The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

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

Eighteen miniature death-scene dioramas.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

This abandoned school has had many lives since the early 1900s, and all of them doomed.

An abandoned 1920s school with a mysterious history.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

This abandoned amusement park was built on a site with a dark history.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

An unrealized Taoist palace left abandoned in a Houston suburb.

A health museum containing a 27’’½-foot intestine.

Fantastic collection celebrating the final send-off.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

This historic New Orleans cemetery is the final resting place of members of the Independent Order of Odd Fellows.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

Introducing the Green Fairy to her fawning masses.

Roadside attraction with more than 1,000 stuffed and mounted animal skins displayed in simulated natural habitats with hand-painted backdrops.