A replica of the flagpole that gave a frontier town its name.

A rare wayfinding portmanteau of “Street” and “Avenue.”

A stone pillar commemorates the surrender of the extraordinary Apache leader.

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

Arizona's first government hub is a rustic cabin now preserved as part of a historical museum.

An important piece of history from mankind's journey to the moon sits in the lobby of a government science lab.

One of the largest open-pit copper mining operations in the entire country.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

The remnants of a creative early method of wildfire prevention.

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

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

The graffiti-covered ruins of an abandoned trading post in the middle of Navajo Nation.

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

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

This comprehensive collection features Native American artifacts dating back centuries.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

The stone-covered graves lie within the ruins of an Old West ghost town.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

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