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

A blank headstone topped with a pile of pennies marks the final resting place of the infamous assassin.

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

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Bizarre Cavern.

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

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

This free, take-a-book shop seems like a trick but isn't.

The trials and tribulations of marking Poe's grave.

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

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

This forgotten boat elevator was an engineering marvel in its heyday.

The span is crooked and made from two older recycled bridges.

The towering figures were created from the cemetery's fallen old-growth trees.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

A historic ruin just 20 feet away from a busy highway onramp.

This poor little statue is the most vandalized memorial in Washington.

This lovely pocket park is one of the most under appreciated in D.C.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

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

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.