Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

The competition: breathe deeply as long as you can.

Hundreds of antique bank vault locks on display in New York City.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

California's most comprehensive horticultural library.

The legendary statue-hating superintendent of Golden Gate Park is honored with... a statue.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

One time home to turn of the century explosives, now hidden under the Bay Bridge.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A masterpiece in Golden Gate Park by virtue of the artist’s debt.

The only visible piece of San Francisco's most famous shipwreck.

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

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

The restored and active Victorian-era final resting place of San Francisco.

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

Visible below the waves are memorials to the city's Gold Rush dead.

Its buzzing collection honors vibrator history.

The only theatre in the world constructed specifically for sound movement.