In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

A motel dedicated to Southwestern nostalgia.

A self-built castle made by a mysterious man.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This memorial includes fragments from one of the greatest tragedies in United States history.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A museum and tribute to a brave profession.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

A spiritual vortex among the red rocks in Sedona.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

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

An urban laboratory.

A Wild West jailhouse that slid down the mountainside.