The final resting place of infamous outlaw Clyde and Marvin Barrow.

Of course the grave of JFK's assassin is surrounded by conspiracy theories.

The final resting place of an outlaw, whose legend grew after death.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Where serial killer Aileen Wuornos drank her last beer.

This stretch of highway is said to be haunted by ghosts of settlers whose graves were paved over.

A monument marks where a convent was burned by an anti-Catholic mob in 1834.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This massive redwood tree has stood in Northern California for nearly 2,000 years.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

A brooding mansion of clinker brick stands out among the Victorian houses of Pacific Heights.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

The miraculous hydrant that saved the Mission District in 1906.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

A monument to the love people have for their pets.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

Gold Rush-era tombstones line the park's paths.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.