Tucked away behind an unassuming set of shops is a must-see series of stunning murals.

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

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

The world’s largest concentrated solar plant generates as many problems as megawatts.

An artsy hidden staircase leads to breathtaking views of San Francisco.

This giant temperature attraction created some giant electric bills.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.