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

A remote horde of architectural treasures fit for Indiana Jones.

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

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

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

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

This historic lighthouse was well known for the large number of women who served as its keeper.

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

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

An industrial waste tourist attraction.

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

Time travel with sweets across history at this research-based candy store.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

Built by the patriotic residents of Boonsboro in a single day.

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

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

A giant time capsule not scheduled to be cored until 2040.

Bizarre Cavern.

This general store is more than a century old and home to various oddities and antiques.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

A miniature golf course crafted inside the world's largest simulated cave.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.