A poignant memorial to a young boy whose death spurred a dramatic increase in organ donations in Italy—dubbed the "Nicholas Effect."

The southernmost outpost of the Russian Empire in colonial America.

Once the largest winery in the world, this castle-like building now sits abandoned on the San Pablo/San Francisco Bay shore.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

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

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

Floating man-made island and upscale restaurant.

This private residence was the template for one of the most beloved television homes of all time.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

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

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.