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

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

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

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

Underground tunnels remain beneath this abandoned mental asylum.