A geological mystery on Camelback Mountain.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

Ancient pueblos built into the base of a natural canyon wall.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A Wild West jailhouse that slid down the mountainside.

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

A spiritual vortex among the red rocks in Sedona.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

This downtown Dallas art installation is always on the lookout.

Recycled junk and fishing buoys litter the yard and facade of this bait shop cum art project.

One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

I-95's Tijuana-style celebration of kitsch at the Carolina border.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

The land is home to swimming ponies and a legendary 18th-century treasure.