A 90-acre park on former landfill that hosts an annual kite festival.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A Roman-inspired temple once controlled half of San Francisco's waters.

The oldest Naval cemetery on the West Coast.

The former Naval shipyard is open for exploring - mostly.

The timepiece that exonerated a labor radical accused of a parade bombing that killed ten people.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Only hotel where you can legally launder money.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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

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

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.