This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

The oldest continuously occupied public building in the United States.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Every president in history is immortalized in bronze in downtown Rapid City.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

A lavender labyrinth so large it’s visible on Google Earth.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

One of the few surviving "Wigwam"-themed motels.

The world's longest known cave system.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

A view-altering observatory at the University of Texas.

Free public park and gardens filled with peacocks and peahens.