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

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

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.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Landmark Chicago building narrowly avoided destruction.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

To find the "unicorns of the deep" you've got to go downstairs.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

The unbelievably opulent home built for an infamous newspaperman.

This massive redwood tree has a hole in the base big enough to drive through.

The private clubhouse for the members of the Academy of Magical Arts.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

A sprawling maze of used books piled from floor to ceiling.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

Location of a reliquary containing bone fragments of 18 saints.