From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

Concrete strongholds stand guard over the Golden Gate.

This lighthouse has been guiding shipping into the Golden Gate since before the American Civil War.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

See the motorcycles that launched the stuntman to fame and the gear that saved his life.

Topeka has its own great wall, and it's covered in colorful images from the city's history.

This bird statue was created to mark the site of a radio transmitter.

Journey up the capitol building's cupola for an amazing view of Topeka.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

A monument celebrating the Black soldiers of the 9th and 10th Cavalry.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

The face of the famed flier in a hillside in her hometown.

The first home of the doomed aviator Amelia Earhart.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

Here, Father Agapius Honcharenko established his homestead, becoming the first nationally conscious Ukrainian to settle in the United States.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.