Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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.

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.

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

A museum dedicated to exhibiting remarkable outsider art.

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

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

The trials and tribulations of marking Poe’s grave.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

An eccentric inventor's castle home with its own indoor weather system.

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

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

Collect holy water from a Bronx grotto.

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

Elevated freight railway turned wildly successful urban park.

The world's second largest single-dish radio telescope, once used to contact E.T.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.