A once grand hotel is being retaken by the wilderness it once capitalized on.

A castle built by an eccentric medieval enthusiast in rural Ohio.

A self-built castle made by a mysterious man.

Eclectic collection of dark and macabre antiques.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

San Francisco's newly reopened hands-on science museum.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

One of the largest, oldest, darkest, quietest motel rooms in the world.

The trials and tribulations of marking Poe's grave.

A beautiful Victorian-era cemetery, complete with a miniature village.

A modernist landscape of water and sci-fi concrete.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

The curiosities and wonders of pharmacy in a delightful historic building.

A house filled to the brim with oddities and curiosities.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

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

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Take a drunken tour inside the world's largest known geode.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Private collection of art inspired by cabinets of curiosity.