Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

While not recognized by Guinness, this chocolate waterfall is likely to be the world's largest.

A hand-built folk art installation covered with messages of God's love.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

Semi-recognized center of the world, with many oddities.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

A small sculpture garden that provides a microcosmic representation of California.

Oldest building in California still in use.

This enormous World War II relic is one of the largest wooden structures in the world.