The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

This highest peak in New Mexico is named after an explorer who had a habit of lending his moniker to peaks.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Home of the International Space Hall of Fame.

This is one really big nut.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

A memorial to the firefighters who died in an industrial disaster is housed in a small public park.

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

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.

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

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

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

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

The cinder cone volcano with a less than complimentary name.

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

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

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A mysterious "wedding cake" castle in the middle of the urban desert.