This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This replica of the Greek structure is in the heart of Nashville.

A miniature city built by a single hunchbacked monk.

One person's lost luggage is another person's treasure.

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.

Haunting and beautiful trees, doomed to die.

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

One poet's handmade, anachronistic home.

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

The stately birthplace of California's statehood.

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.

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

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

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

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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