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

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

A massive volcanic plug is now a protected area that hosts a number of bird species.

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

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Oldest building in California still in use.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Illegal drag racing two stories beneath Chicago’s streets.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

This influential Renaissance-era library was once the haunt of kings and monks.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

One of Ireland's most infamous prisons for rebels including men, women and children.

Italian cave with exceptional acoustics and an unsavory history.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

First planned industrial community in the United States.