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

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

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

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

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

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

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

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

A decommissioned Naval base now rents itself out for people who want to blow stuff up.

The California capital city once stood 10 feet lower than it does today.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

A statue commemorating the heroic life of a Viking postman who was the Godfather of California skiing.

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

A life-sized mammoth sculpture marks the spot where the remains of a Columbian mammoth were discovered in 2005.

A museum has some wedding cake dating to the Teddy Roosevelt administration, and some bacon from FDR's.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

A tree grown from astronaut seeds which were exposed to cosmic rays.

Semi-recognized center of the world, with many oddities.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

This massive geographical sculpture is so subtle, it's possible to pass by it without noticing.