Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Home of the International Space Hall of Fame.

"I did this all while you were watching TV."

Resting place of Hollywood's immortals is also site of summer film screenings.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Washington's iconic carousel has a nice piece of Civil Rights history.

It was once the base for a series of domestic terror attacks.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

Home to items never before seen by the public.

The site of the climactic scene from the classic horror film is now a historic landmark.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

On a college campus in the Oklahoma panhandle a museum honors the last piece of the contiguous United States to be classified as No Man's Land.

This artsy public restroom is shaped like a giant john.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Playable, historic pinball machines fill this Alameda museum.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A collection of 20th-century automata, penny arcade games, and musical contraptions.