This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

The first handmade canoe built by members of the Passamaquoddy in over a century.

La Cara del Indio honors the Taíno chief who fought bravely against the Spanish invasion of Puerto Rico.

A unique attraction and museum dedicated to exploring iconic roadside structures.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

A sacred collection of indigenous rock art.

Five restored historic road bridges in a park along the Kalamazoo River.

The first curved wooden bridge in Canada was built as part of the Alaska-Canada Highway.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

One of the best-selling bar bands in American music history is commemorated in their hometown's Five Points neighborhood.

Ride a mechanical corn dog at the alleged birthplace of America's favorite deep-fried wiener.

This redwood is a historic landmark, a town’s namesake, and the dancing sideline symbol of Stanford University.

This gilded emblem was once stolen by a Cookie Monster impostor, who demanded a charitable ransom for its return.

Twelve unique carved plaques across Humboldt tell a story of the ingenuity and bravery of ordinary citizens during the city's burning.

What began as a prominent Burning Man art piece is now an iconic symbol of downtown Reno.

Referred to as "the crappiest fountain ever," this sculpture has been splashing unknowing passersby since 1969.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

Florence's historic adobe county courthouse was turned into a historic site that honors one of Arizona's most prominent political leaders.

Now a secluded county park, this site was once a "health tourism" destination for wealthy Oregonians.

A well-preserved example from a 1920s network of airmail navigation arrows sits near Interstate 15 in southern Nevada.

This massive Art Deco-inspired mural was the world's largest augmented reality artwork at the time of its completion.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

The oldest remaining building in Tacoma was once the home of the "oldest bell tower" in America.