This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

Surreal riveted sea forts once protected the Kent shores from German attack.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

A miniature of a lighthouse acts as a beacon for what transpires inside this location.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A sweet symbol marks the place where torturous executions were once carried out.

This 12th-century house is one of the oldest continuously inhabited houses in Britain.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

An art-filled botanical garden and former dyeworks hiding in plain sight.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

Europe's "only museum dedicated to the decapod" is full of quirky and absurdist displays, including one featuring the "famous" Giant Crab of Margate.

This forgotten chalk mine was reopened thanks to a massive effort from the local community.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

One of downtown Berlin's last reminders of its Communist past.