In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

World's first "penitentiary," meant to be humane, drove men insane.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

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

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

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

A labor of love built by local hang-gliding enthusiasts, this ideal launch spot was outlawed by the authorities and has since been largely abandoned.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

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

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

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

Meet some of the most prominent figures in Black history through life-sized wax models.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

A hidden alley in urban Baltimore is a haven for graffiti artists.

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

This grove was planted more than a century ago by the War Mothers of World War I.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

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

What looks like a simple quaint estate in rural Pennsylvania was in the 18th century home to a small monastic community.

Unannounced visitors are now welcome at the site of the largest Prohibition-era bootlegging operation in the region.