Fantastically decorated underground chambers built in the 1760s.

The overgrown ruins of a once thriving World War I-era copper mine.

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

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

Famous and forgotten figures lie beneath the faded headstones and decaying planks of wood.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

Take a leisurely ride on a 1906 cable car or a 1907 steam locomotive.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

San Diego's most historic and haunted home.

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

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

A one-of-a-kind collection of a unique medium.

A Masterpiece with a Tragic History.

This park is home to California's first oil boomtown, with structures that have stood for more than a century.