At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.

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

Masterful ceramic fountain and map of the Pacific Basin.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

A shining, cold, black organ lies in San Francisco's financial district.

A miniature view of the park, caught in time.

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

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

One of few lasting examples of the brief octagon craze that developed into folly.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

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

Early prototype for Frank Lloyd Wright's Guggenheim.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Russian history in San Francisco.

The miraculous hydrant that saved the Mission District in 1906.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

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

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

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

At Oklahoma Panhandle State University, a plaque marks a place once known as No Man's Land in the linear world and the fictional Kcymaerxthaere as well.

Home to the story of the outlaw turned funhouse mummy, Elmer McCurdy.

This small-town museum is dedicated to the original western movie mega-star.

Its incredible collection preserves 170 years of sewing machine history.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.