This conservation area is also home to many of the region's desert tortoises.

Located on 420 acres in the high desert, this spiritual center is dedicated to the "science of the future."

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

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

Meet 'Big Josh,' the 20-foot-tall muffler man.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

These two K-9 memorials commemorate the sister cities of Edinburgh and San Diego.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

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

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Liechtenstein's royal family calls this medieval alpine castle home.

The oldest Methodist church in the United States has been spreading the good news for over two centuries.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Ancient human remains unearthed around the iconic monument.

Famously misunderstood wonder of the ancient world

The oldest working mechanical clock in the world.

This gate served as a small lock-up jail in the 14th century.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The pockmarks across the building's facade are remnants of the Blitz.

Behind one of the world's most impenetrable vaults is a massive collection of retail silver.

The bronze uniforms commemorate the vital role of women during World War II.