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

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

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

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

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