The fifth-longest natural arch in the world, and the longest outside China.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

These markers are used to document elevation changes around the famed dam.

Experience a charming 1930's version of "infotainment."

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

This giant temperature attraction created some giant electric bills.

At the western edge of Palm Springs, a rugged desert canyon trail leads to a waterfall at the base of the San Jacinto Mountains.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

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

The words of the neighborhood's most famous poets adorn four concrete walls.

60 feet of towering steel balances gracefully.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

For almost 100 years, this site of peace and spirituality has existed on the California coast.

Enormous crabs, bioluminescent jellies, and other amazing creatures from the ocean’s depths—some of which are in an aquarium for the first time ever.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Art Deco stylings conceal the true nature of this bridge.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.