Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

The final resting place of soldiers' loyal canine companions.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Famously misunderstood wonder of the ancient world

This former medical factory gives home to cutting edge arts in the shadow of a gas works.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

Taxidermied animals galore, by appointment only.

Repository for more than 22 million pickled specimens.

The monster at the center of the Darwin Center Spirit Collection.

Two women with a flair for both adventure and artful clutter created this singular round home.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

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

The remains of the great moral philosopher reside in a university in London.

Public access to clean drinking water was an instant hit among the masses.

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