Three bridges and one giant canyon make up this fantastic Spanish settlement.

The Boston square dedicated to the dark poet who was born nearby.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Historic Hull Street was actually the first street with a proper name in the Boston area.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Narrowest house in Boston.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

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

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A vast city of the dead, where the deceased outnumber the living by more than a million.

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

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

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

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

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

A storybook European village in Berkeley.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

Dive bar built out of the remains of a whaling ship.

Four miles of pipelines form the model of still-functioning retro-tech efficiency.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The rocks in this arid basin leave trails of movement behind them.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.