A free, public museum dedicated to the fascinating science of sight.

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

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

Amazing meticulous gardens of personal wood carvings, Hydrangea, Canna, and many other flowers.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

With the touch of a button, you can read a randomly selected short story.

A promotional sun clock on the site of San Francisco's great raceway.

Nuclear waste dump site now an environmental sanctuary.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Gold Rush-era tombstones line the park's paths.

An overlooked and unassuming engineering marvel.

This shop and studio is dedicated to the art of the book, from letterpress to bookbinding.

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

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A 300-ship graveyard, with a few still visible at low tide.

A hidden subterranean installation offers a view of the sky.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

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

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

A modern mechanical planetary system, part of a 10,000 year clock.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

Tiki luxury on Nob Hill.