This giant wooden treehouse within a sprawling garden has its own eatery.

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This seven-sided Romanesque chapel is regarded as the oldest building in Rovinj.

The walls and streets of the ancient city are peppered with penises.

The longest stone bridge in England has an impressive history that dates back over 700 years.

Legends say that this small island was the final resting place of the Welsh saint of lovers.

A gigantic mechanical bull rages over unsuspecting passengers at Birmingham’s central station.

The oldest of the three remaining bridges in England with buildings on top of them.

Modern commuters still pass through this 2,000-year-old Roman archway.

An underground city of salt.

A scene of a heinous act during a troubled period of Scottish history.

This fortified L-shaped tower is the ancient seat of clan Hannay.

Dating back to the 500s, these stones include some of the oldest Christian memorials in Scotland.

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Theme park featuring miniature replicas of European monuments.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

The Devil’s own choice when he needs a drink in Brussels.

A little sculpture with a large wardrobe.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.