Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

It houses the remains of a 17th-century version of the Titanic.

The Guardian of Tallinn.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Copenhagen's celebrated theme park and gardens.

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

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where commuters walk through remnants of an ancient Greek necropolis.

Thousands of well-dressed mummies below a monastery.

Single runway interrupted by a busy road that cuts across its middle.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Breathtaking and huge 430 year old maps of Italy.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.