Elephant seals and sea lions have turned the abandoned buildings on this island into their endangered love shack.

An unassuming grey box sitting on San Francisco's Pier 17 is a "sky diary" of the coastal city's temperamental weather.

Condemned US Navy seaplane control tower turned officers’ club sits atop Yerba Buena Island.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

This eatery transports diners to a place that no longer exists: East Germany.

The longest continuously operating Elk's Lodge in the country.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

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

A winding path built in secret on the edge of the continent.

Standing in for the first ship to navigate the Northwest Passage.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

Once the site of speeding horses, now home to picnickers and public concerts.

These six walrus head statues harken back to a time when this area wasn't far from the oceanfront.

Overflowing with shipping containers, this location has been transformed into a massive workspace for artists.

Get a taste of Chamorro cuisine, family-style, at this popular restaurant.

Built in 1906, this unique building was the first Hindu temple in the United States.

San Francisco’s condensed garden of incredible plant growth.

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

This museum explores the history of the book, from scrolls to mass-produced objects through tools, stories, and massive cast-iron binding machinery (some of it operational).

Home to one of the world’s largest collections of model yachts.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

California's most comprehensive horticultural library.

A classic advertising icon immortalized in regal bronze.