The district's only illusionarium supports free writing programs for local students with every purchase.

A celebrity from the late Cretaceous period.

An eccentric company offers eccentric millionaires the opportunity to have spaceflight-related experiences.

Cold War intelligence agents monitored communist embassies from an attic in a former pigeon coop.

Ship skeletons haunt Baltimore's waterways.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

An astounding collection of medical specimens, including bits of President Lincoln.

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

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

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

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

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

The childhood home of the Sultan of Swat is just a line drive away from Oriole Park at Camden Yards.

One of the oldest anatomical theaters in the U.S. still in use was once the site of an infamous cadaver riot.

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

Eighteen miniature death-scene dioramas.

A model home in the Medical Examiner's Office in which grisly death scenes are staged to train forensic investigators.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Remnants of a storybook amusement park hidden behind a strip mall.