A Civil War Museum with some notable medical antiques.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

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

An abandoned church gets a second life as a massive beer hall and event space.

An eerie, abandoned military base engulfed by nature and graffiti is now home to a local park.

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

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

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

The land is home to swimming ponies and a legendary 18th-century treasure.

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

Bizarre Cavern.

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

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

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

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

The trials and tribulations of marking Poe's grave.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

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

This heritage rail line meanders through Delaware’s Red Clay Valley.

A grotesque Fiji merman dwells within this traditional Dutch-style building.

The historic home still shows the scars from a little run-in with the British in 1813.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.