A reproduction of earth's many biomes.

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

This abandoned horse racing track was an exercise in hubris from its inception.

These free-roaming horses were once destined to disappear from the land.

A geological mystery on Camelback Mountain.

The unusual burial monument of Arizona's first governor.

Belly up to the bar in Cowtown, don't forget to buy some boots.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

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

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.