This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

The sprawling attraction boasts a collection of more than 150 historic wagons.

Run by members of the Tohono O'odham Nation, this community farm nurtures traditional desert cultivars.

This church on a Tohono O'Odham reservation has stood since 1797.

Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

Legend says train robbers stashed their gold within the depths of this unusual cave.

This giant steer-skull edifice refuses to die.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

America's only nuclear missile silo open to the public.

The biggest solar telescope in the world helps reveal the secrets of our sun.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

This oasis-like spring in the Sonoran Desert is home to unique, endangered species.

This ancient trail has claimed the lives of over 2,000 people.

This scrap yard doubles as a naive art gallery full of found art and farm animals.

An amazing collection of model trains, collectibles, and artifacts that span the last 100 years.

A natural history wunderkammer in the middle of the desert.

A stone pillar marking the location of the westernmost battle of the American Civil War only honors one side of the conflict.

Take a monster truck tour around an ostrich farm in the middle of the desert.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

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

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

A giant mascot, a car bomb, and the mafia mingle in the history of a defunct restaurant chain.