At this exhibit on the world of poison, venomous animals steal the show.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

A pair of giant stone heads represent the ancient Roman saints beheaded here.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

The many—66 to be exact—faces of the German forest.

Macabre museum devoted to historical Viennese murders.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

This cubist Vienna church building looks like some sort of alien stonehenge.

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

How did a lighthouse wind up in the middle of this landlocked German city?

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

The true meaning behind this sculpture remains unknown.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

A collection of intricate sculptures so small they have to be seen through a microscope.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.