This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

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

One patriotic farmer's ode to the 9/11 tragedy remains even after the farm changed hands.

This collection of odd proofs of concept is like taking a walk through the imagination of a Victorian engineer.

Hundreds of antiquated typewriters and office machinery show the technological evolution of business.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

An homage to the man who built California's version of Venice.

A 50-foot tile mural mosaic for the 100-year anniversary of the Statue of Liberty.

The real faces of Venice beach captured on Romanesque columns.

A lonely Gondola stuck on a traffic circle sits in a spot where it once would have floated down the Grand Canal.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

The last orange grove of the San Fernando Valley is owned and protected by CSU Northridge.

A faux European lane smack dab in downtown L.A.

First LEED-certified gas station in the United States.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

One of the world's longest murals depicts the history of diversity in Los Angeles.

Nancy Thompson's Home from "A Nightmare on Elm Street."

The site of a classic series of Laurel and Hardy pratfalls.