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

This contorting sculpture is the tallest in San Francisco.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

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

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Over a century old, this restored Victorian building is surrounded by a lush garden filled with rare palms.

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

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

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

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

This odd little museum holds exhibits on everything from blacksmith equipment to hair jewelry.

Outside San Francisco lies a small clown cemetery and memorial.

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

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

A hotel and restaurant serving as the mecca of kitsch.

A Mysterious Masonic tomb in San Luis Obispo.

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

Windswept and remote, this island was once the home of a rare mammoth and today is home to a rare tree.

Thanks to its curved shape, this incredibly durable dam "whispers" to visitors.

A fake block of cheese remembers a feat of dairy engineering from the Chicago World's Fair.

San Francisco Bay's ghost town.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.