Artists and musicians now rule over this former rail station.

If your school was decorated with trippy graffiti, served ambrosial coffee, and was frequented by mimes, it might have been similar to this groovy cafe.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

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

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

It is still illegal to "quarrel" at this unlikely urban oasis built on top of an electrical substation.

This luxury shopping lane has been protected by its own tiny police force for over a century.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

More than a million titles fill the labyrinthine shelves of this prestigious private library.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

300 years of pharmaceutical history on display.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

Hungarian self-built castle.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

This cubist Vienna church building looks like some sort of alien stonehenge.

Shimmering sea-colored mosaics and Jesus statues cover this opulent building.

American soldiers discovered Europe's best one-liner at the end of World War II.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.