The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

An eerie, derelict amusement park in Berlin.

Romania's triumphal arch looks out over Bucharest.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

Monasteries on rock pillars, once accessible only by frayed ropes.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This legendary city has been a tourist attraction for centuries.

Large collection from the 3rd millennium BCE.

Where commuters walk through remnants of an ancient Greek necropolis.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

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

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

What once sat in the world’s spotlight is today a largely disused ghost complex.

The hallucinogenic center of the ancient world.

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