Aged nearly 1,700 years, the world's oldest bottle of wine is probably still drinkable.

Legendary site where an evil bishop was devoured by rodents.

Tiny castle in the middle of the Rhine made you pay to pass.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Hilltop monument to the victory of a new nation in the Franco-Prussian War.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

An ancient Roman temple hidden in the basement of Römerpassage, a modern shopping mall.

A witty art installation in an abandoned gas station that became obsolete due to the fall of the Berlin Wall.

A somber place of memory and reflection, that tells the story of Riga's Jewish community before and during World War II.

The sculpture of a man sitting in the middle of the square holds great significance for the young nation of Kosovo.

A former Nazi lookout tower with a magnificent view of the Rhineland.

Carved fountains poignantly placed in parks and in front of special monuments.

Somber memorial to the May 10, 1933, book-burning which took place on this spot.

Fantastic views and thousands of love locks.

This figure was carved in the likeness of a voyeur, so that every time he spied across the street, he would find only himself staring back.

Not your average Bosnian cafe — this locale is dedicated to the former Yugoslav dictator Tito.

This massive circular sculpture may not be a portal to other worlds, but it does inspire the mind to imagine them.

A rainbow tunnel painted across three buildings and six storeys pulls a child (and every passerby) straight down the rabbit hole, ranked among the world's best murals the year it went up.

This is the real-life “Phantom of the Opera” box from Gaston Leroux's 1910 novel.

A small wedge of East Berlin was once on the wrong side of the Berlin Wall

The Outer Rim Coffee House is a space for coffee enthusiasts and sci-fi fans alike!

You can soak in private hot tubs infused with beer while pouring unlimited Czech beer from your own tap.

Another beautiful spot in the hidden universe of Eames Demetrios.

The Underground railway station and its Cubist/Art Deco statue are so evocative of 1920s/30s London that one almost expects to see Poirot on the stairs.