Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

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

Ship skeletons haunt Baltimore's waterways.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

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

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

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

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

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

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

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

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

This abandoned sea fort has become an accidental bird sanctuary.