Fake rail crossings mark the site of an influential doctor's demise.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

The first safe in this California town had to hold all the gold.

This municipal playground was co-created by the father of one of the most playful characters ever.

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

The oldest continuously operating church in California.

San Francisco Bay's ghost town.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

These markers are used to determine the ground stability of the Strip.

A homage to the King at the hotel where he revived his career.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This 15th-century fortification was built to defend bunnies.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.

A rare chance to ride one of the few continuous elevators still in operation.

After years of being casually peed on by humans, this tree is peeing back.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’