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

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Cold war icon and onetime "hole" in the iron curtain.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

The deepest metro station in the world.

340-foot statue built to honour the Heroes of the Soviet Union.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The most visited, and possibly most controversial, museum in Germany.

Protecting the dead from opportunistic body snatchers.

The most loyal of little dogs, or a Victorian era publicity stunt?

The final resting place of soldiers' loyal canine companions.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

Oriental bazaar in the heart of Sarajevo.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Place with alleged mystical powers in Old Orthodox Church in Sarajevo.

This historic cemetery was inaccessible for several years due to dozens of land mines.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

This hidden art nouveau gem was designed by an architect in search of a national style.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Real bones which are said to have belonged to a Polish dragon.

A six-ton wedding present for the King of the Scots.