Where beautiful signs live on forever.

The first declared National Monument in the United States.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A toxic ghost town sitting atop a massive coal fire.

The United States Capitol's former columns still stand.

The fairy tale castle of the "fairy-tale king."

Hot springs monkey spa in the middle of Hell's Valley.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

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

World's first "penitentiary," meant to be humane, drove men insane.

A real-life homage to the Rachel McAdams and Will Ferrell's fictional Eurovision musical duo.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

Statue of death tucked in the University of Medicine courtyard.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

Take a dip in the world's largest mineral hot springs pool.

A tiny nondenominational church harkens back to the days of the first homesteaders in the region.

This marker identifies the location where three states converge.

Possibly the world's only drive-in movie theater with an attached motel.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

Climb inside an iron crystal magnified 165 billion times its normal size.

Because sometimes you need to make a batch of frites even when the stores are all closed.

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.