Few of the many visitors to this resort town know of its hidden Maya ruins.

This bridge was constructed from the rubble of the infamous Bastille.

One of the most historical literary characters continues to stroll his hometown.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

This statue has a painful history, but activists have since recontextualized it as a way to educate visitors about the dangers posed by fascist regimes.

A striking 12th-century-style castle built on the edge of a cliff.