Their motto is, "We've been bonkers for hats even longer than you have!"

Private collection of art inspired by cabinets of curiosity.

The seamy, underground secrets of Portland's criminal past.

An emporium for the weird, creepy, rare, and just plain gross.

This mosaic-covered bar is brimming with curated curios.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

This vintage animatronics show is the Vegas version of a walk through the woods.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Miniature art that tells an enormous story.

The world's largest military aircraft cemetery.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

A big museum full of little worlds.

A stealthy Apache hideaway that became the haunting site of a mass grave.

This abandoned bootleg attraction was built to cash in on the popularity of classic TV show, F Troop.

A Tucson museum and performance space full of found-object movable sculptures.

One of the world's largest telescopes, stares into the night sky with two huge mirrors.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

Tens of thousands of tiny bottles stuffed with various items.

A small collection of magic tricks and memorabilia is now an apartment-sized museum.