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

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

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

Dedicated to a U.S. Army lieutenant colonel who was also a bird watcher and artist.

The national park was once a plantation estate.

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

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

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

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

This abandoned sea fort has become an accidental bird sanctuary.

A remote horde of architectural treasures fit for Indiana Jones.

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

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