A museum within a museum, devoted to history's most questionable medical devices.

Architectural elements and building materials for this house were transported from Salisbury, England.

The famed poet was born in 1819 in a farmhouse built by his father.

A winding, blood-red tunnel of hardened lava navigable by foot.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The alley connecting two of country music’s most historic venues has a rich history of its own.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

Faceless white figures loom over the city from the rooftop.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

A former hardware store near Yerba Buena is the official home of California's history.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

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

San Francisco's newly reopened hands-on science museum.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

A psychedelic labyrinth on the San Francisco bay.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

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

America's oldest Italian restaurant is a San Francisco institution.

On the Hudson resides one of the largest clocks in the world.

A Yiddish theater turned movie house turned rock and roll landmark turned gay disco turned bank.