This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Despite a recent paint job, the factory still sits empty.

See massive fossils that are over 200 million years old in northeastern Arizona.

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Baptisms in troughs and post-sermon rodeos at the world's biggest cowboy church.

It specializes in outsider art and artifacts of secret societies.

Long tunnels run under the ancient chariot racing circuit to the tower.

Stunning Roman aqueduct used for 1900 years and still standing.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Stairs often replace streets on the steep slopes of this old mining town.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.