A psychedelic labyrinth on the San Francisco bay.

The simple log cabin of a famed loner and naturalist stands preserved as a symbol of the ultimate DIY lifestyle.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

The permanent home of Elektro, the celebrity automaton of the 1939 World's Fair.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

World's only nuclear reactor operated by liberal arts undergraduates.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

A modern day curiosity cabinet.

Private collection of art inspired by cabinets of curiosity.

This striking art museum holds an amazing series of curiosity cabinets.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Robots, lasers, and whoopee cushions, oh my!

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

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The longest living non-clonal organisms on Earth.

The drama of nature in full effect in this Nevada State Park.

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

Five acres of divinely inspired folk art.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.