Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

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

Steinbeck's old stomping grounds, immortalized in Cannery Row.

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

This eagle-topped spire remembers the military commander who snatched up California for the United States.

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.

This restaurant's marvelous musical machines include a self-playing violin.

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

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A strange house built only at night, with rumored mystic inspiration.

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

Every year, over 25,000 monarchs overwinter in Pacific Grove.

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

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

This cabin from the 1850s is one of the first structures built by Chinese immigrants in California.

The stately birthplace of California's statehood.

This remarkably simple jail went over a century without an escape.

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

The oldest continuously operating church in California.

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

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.