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

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This nearly abandoned town was once a thriving mining community until a series of fires.

This naturally-sourced hot spring is now home to a clothing-optional resort.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.