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

The world's largest collection of witchcraft regalia.

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

A fantastic castle rumored to be the birthplace of King Arthur.

One could not be blamed for literally walking all over this supposed landmark.

This historic factory peddles classic toys from the picturesque English county of Devon.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

Abstract dinosaur models in London.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

Inside a former cabaret, seven floors of erotic art.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

The largest greenhouse in the world is home to over one million types of plants.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

The legend says that this English rock formation was once a hunter who was turned to stone by annoyed witches.

This grave resides at the crossroad of three parishes.

A ruined castle has more than its fair share of legends and ghost stories.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

This tangled English forest looks like something right out of a fairytale.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

An unusual vending machine designed to support mourners during funeral ceremonies at Zurich's largest cemetery.