This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

The remains of a boarding school designed to forcibly assimilate Native American children.

This small memorial is dedicated to the Perryville State Prison firefighters who perished fighting the Dude Fire in 1990.

The handsome statue is a tribute to the post riders who traversed 52 miles of tough Arizona terrain.

The first steel dam in the world and the only one still functional in the United States.

This fireplace-turned-monument pays tribute to the assassinated U.S. president.

Visitors to this public park will also find the ruins of an old western fort.

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

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

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

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

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

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

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

A towering bronze statue memorializes the founding father of postwar American conservatism.

This comprehensive collection features Native American artifacts dating back centuries.

A scrap-metal sculpture recalls an infamous 19th-century camel.

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

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

Inside this store, a mysterious statue draws visitors from the world over.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

One of the largest private collections of cars manufactured by the short-lived Franklin Automobile Company.