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

Ancient human, animal, and geometric figures drawn in the earth.

In the middle of a desert subdivision, there is supposedly an impact crater site from Kcymaerxthaereal times.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

A half-acre utopia in the New Mexico desert features a graveyard, a game of horseshoes, a library, and a mailbox.

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