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

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

The "Father of Arizona" tried to build a Zoroastrian fire temple on the hill where he's now buried.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

The unusual burial monument of Arizona's first governor.

Generations of rockhounds got their start at this beloved, historic mine.