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

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

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

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A derelict bit of transportation infrastructure hidden in the woods.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

This grand gothic brewery has been pumping out suds for over a hundred years.

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

A mammoth pair of Civil War artillery guns abandoned out in the forest.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

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

The ruins of this long-abandoned unsuccessful gold mine can still be found.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

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

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

A miniature village lies nearly forgotten in the forest by the side of a major highway.

Thousands of American timepieces on display in the former clock-making capital of the country.