Arrr! The most authentic collection of pirate artifacts in the world... matey.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Come for the flowers, stay for the bats!

This chimerical bridge/tunnel appears to dead end right into the sea.

The history and future of cannabis.

A tiny church on a man-made island in the Adriatic.

The widest waterfall in Europe is a natural wonder and one of the only places where fish are caught in the air.

Flamboyant architecture from the turn of 20th century.

A black cat protests the City Guild in Riga's Old Town.

3,000 market stands in five former Zeppelin hangars.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

Europe’s oldest natural human mummy.

Bell tower juts out from a village buried under a lake.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Longest fortress system anywhere in Europe.

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

Metro station with a claim to rock n' roll fame.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The modern birthplace of Irish freedom.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

Certain traditions prevail on the least-visited island of the Aran Islands.