This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Ruins of a German Castle on top of a towering stone pillar.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Berlin's old airport.

A small but immensely extravagant palace built by the "Night King."

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

Hamburgers are intensely proud of their tunnel beneath the river.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

This monumental work of art symbolizes the coming together of a previously divided city.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

An Austrian house of bones filled with hundreds of intricately painted skulls.

The world's oldest known salt mine.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

A breathtaking viewing platform over the Alps.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The largest public library in the United Kingdom was designed to reflect the industrial and artistic history of the city where it stands.

A collection of historic buildings in central Birmingham blend seamlessly into the cityscape but have an interesting story to tell.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

The second-longest pier in the U.K. stretches a whole kilometer into the Irish Sea.

A typographic tribute to the many comedic greats who make Great Britain laugh.

One of the oldest amusement rides in existence was a huge disappointment to its creator.

Over 70 independent businesses have set up shop in this former Victorian department store.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.