This popular pilgrimage site offers a hole filled with holy healing dirt.

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.

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

A museum dedicated to the alleged Roswell Incident.

This is one really big nut.

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

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

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

The drama of nature in full effect in this Nevada State Park.

The fifth-longest natural arch in the world, and the longest outside China.

A ghost town that held steady longer than most, but finally gave up the ghost.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

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

This spectacular track has run continuously since 1882.

A hotel with a rich Wild West history of miners and bootleggers.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

An unexpected and peaceful oasis on a hillside.

A snapshot of the city's fascinating voodoo culture.

Remains of a Greek freighter trapped off of Rocky Point in 1961.

A cobblestone alley with an interesting past.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.