Take a steam-powered ride straight out of the past on this Appalachian rail line.

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.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

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

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

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

It was once the base for a series of domestic terror attacks.

The 28,000-year-old specimen is remarkably intact.

Also known as the Founding Church of Scientology.

Go take a picture with the inventor of the daguerreotype photographic process.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The "lovely red Vega" of the legendary record-settling pilot.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

A haunting tribute to pioneering photographer Clover Adams.

The house where John Wilkes Booth conspired with his co-conspirators.

There's a crumbling old mansion inside the Smithsonian National Zoo.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.