Unlock the secrets of the conjuring arts.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The U.S. Navy’s preposterously detailed mini battleship took 77,000 hours to complete.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

The creator of the Kewpie doll's former home has been turned into a museum celebrating her life and work.

The only pig museum in the U.S. holds one of the world's largest collections of pig items.

A small town garden is dedicated to a psychic dog with the most soulful eyes.

A celebration of the animation wizard's childhood home and antique railroad memorabilia collection.

Where the author wrote her beloved "Little House" books.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The house where the famed outlaw was shot by a dirty coward is now a museum to the criminal's legacy.

A remarkably opulent mansion with a tragic history.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

European castle ruins in an American state park are actually the product of death and grief.

This mausoleum is the final resting place of one of St. Louis's richest and most tragic families.

One man's unrequited love stands in a glass box forever.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

Less a museum than a bizarre fantasy world created by artists and engineers.