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

The largest earthwork effigy in the world.

Although built to generate electricity for Marylanders, this dam has become an all-you-can-eat buffet for American bald eagles.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Washington's iconic carousel has a nice piece of Civil Rights history.

Where America’s first doomsday cult awaited the end of the world.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

A small 19th-century graveyard tucked away in the middle of a suburban neighborhood.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

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

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

An astounding collection of medical specimens, including bits of President Lincoln.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

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

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

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

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

A museum dedicated to exhibiting remarkable outsider art.

Walk through the history of American pop culture.

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.