A crumbling Beaux Arts monument to the Bay Area's age of rail.

A living time capsule of the 1960s Richardson Bay water-front.

The final resting place of the Emperor of the United States and Protector of Mexico.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

In this century-old literary safehouse, print is alive and well.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

Art in the form of a winding, man made crack in stone.

A hidden subterranean installation offers a view of the sky.

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

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

Only hotel where you can legally launder money.

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

Thirteen trees representing the original thirteen colonies were planted with soil from historic Revolutionary battlefields.

A 140-year-old castle with underground caves hidden in San Francisco.

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

The Flatiron Building's storied West Coast cousin is a lot more into religion.

California's most comprehensive horticultural library.

The remains of a 12th-century chapter house in Golden Gate Park.

Olfactory delights in San Francisco's Botanical Gardens.

San Franciscans leave gifts and messages for the magical beings that live behind the tiny, mysterious door installed on a tree in Golden Gate Park.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Golden Gate Park's historic collection of plants.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

Noble beasts perhaps, but not the Emperor's dogs.