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

Artifacts from a battleship sunk at Pearl Harbor displayed in the Capitol building of its namesake.

An ambitious developer built what was once the world's tallest fountain in a Phoenix suburb.

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

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

The first permanent memorial to a unique secret weapon of World War II.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

This striking church was built from a Frank Lloyd Wright design more than a decade after the master architect's death.

This trippy wonderland is the result of one man's obsessive, decades long passion project.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

This 39-foot-tall version of a Hopi figure stands in Arizona.

The last such cabin in Arizona is a rare remnant of a bygone era of medical treatment.

Once disputed as the largest sundial in the world.

Go deep on these fascinating fish, and get a bonus lesson on the importance of marine conservation.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

These unusual houses look like giant boats that washed ashore on a residential street.

The oldest structure in a beachside California city was built to serve eight students.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

A massive sea stack famous for its appearance in The Goonies.

A beautiful 62-acre Catholic shrine and botanical garden.

A mass of iron named for the fire-dwelling mythological amphibian sits alongside the first west coast iron furnace.

Virgil Earp, Wyatt Earp’s brother, is among those buried here.