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

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

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

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A Tucson museum and performance space full of found-object movable sculptures.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

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

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

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

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

This historic national park is covered in the stunning ruins of red rock pueblos.

The Magical World of George Phar Legler.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

A self-built castle made by a mysterious man.