This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

The fairy tale castle of the "fairy-tale king."

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Largest Roman Catholic church in North America.

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

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Pop culture has helped to keep this iconic British building from being destroyed.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The palatial McDonald's that inspired Wesley Willis.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Illegal drag racing two stories beneath Chicago’s streets.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

These pretty kitties killed and ate as many as 135 railway workers.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A display of magnificent stained glass windows is the first exhibit of its kind.