A world-class observatory in the California desert.

A perfect turquoise lake colored with glacier dust.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

A stairway to heaven, or to nowhere at all.

A giant snail sculpture looking longingly at the German traffic museum.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

German-style coffee and cake, just like Oma used to make it.

King Ludwig I's collection of beautiful women.

A self-funded cemetery with a long list of inhabitants.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

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

A dramatic coastline that’s home to a rare pine tree.

A futuristic-looking beach house built for the owner of a snack food brand.

Go deep on these fascinating fish, and get a bonus lesson on the importance of marine conservation.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

The world’s oldest active sailing ship.

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

At this local mall, visitors are ushered through a 1940s jail exhibit.

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

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

North America's largest accredited model railroad museum.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.