Accessible only by boat, this centuries-old island fort never saw troops or combat.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

The remnants of a 19th-century ironmaking complex hidden in the woods of Connecticut.

A tribute to the creator of the present day Hindu number system.

An overlooked oasis of quiet on the grounds of Washington's monumental basilica.

This small museum is an eccentric shrine to boyhood in the 1960s.

A veritable variety of odds and ends.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

A statue commemorating a 16-year old girl's nighttime ride to raise a militia against attacking British troops.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

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.

Couple's personal collection of pinball machines turned public pinball museum.

A house filled to the brim with oddities and curiosities.

A giant Troll lurks under one of Seattle's oldest bridges.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

A hands-on traveling collection of the innovative devices of yesteryear.