Shop selling 500 flavors of soda has something for everyone.

Resting place of Hollywood's immortals is also site of summer film screenings.

The legendary building that needed ghostly approval before being built.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The topiary maze at the Habsburg hunting lodge.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The final resting place for the remains of 143 Habsburg royalty.

Baroque celebration of the end of the Great Plague of Vienna.

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

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

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

A walk through the historic city center, under the streets of Seattle.

A crumbling cathedral condemned by an earthquake.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Macabre astrological automaton clock dating to the late 1400s.

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

The prototype for all Nazi concentration camps.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A multimedia experience that chronicles the atrocities of racism.