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

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

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

The oldest standing structure in downtown San Diego.

The classic Atari game's iconic aliens have invaded downtown San Diego.

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

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One of the largest trees of its kind in California.

North America's largest accredited model railroad museum.

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

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

San Diego's most historic and haunted home.

This historic graveyard was partially paved over to create a streetcar line.

An inconspicuous footbridge beloved by San Diego locals.

Lucha Libre (Mexican Wrestling) themed taco shop.

A couple turned their front yard into an artistic masterpiece.