A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

This museum remembers the tough Mormon trek across America through an intriguing array of artifacts.

This mural changes every few years.

In 1952, this restaurant began selling the Colonel's “secret” recipe.

The first park built over a freeway is a brutalist masterwork.

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

A museum dedicated to the history and exploration of both popular music and science fiction.

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

One of the oldest art supply stores in the United States.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

This museum offers an actual time machine back through Colorado's past.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

An annual extravaganza of Broadway theater memorabilia.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Try not to get slimed in Tribeca.

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

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

For nearly 50 years, this San Francisco nonprofit has been serving as a mix of recycling center and art school.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

A tribute to the artist and activist who created the rainbow pride flag.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.