Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

A bronze statue commemorating his royal meowjesty, Toulouse.

This medieval footbridge in the Swiss Alps is known to attract cliff-jumping daredevils.

If James Bond bungee-jumped off the side of a 720-foot dam, would you do it too?

This work of engineering is imbued with elegance and ingeniousness.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

A fake Transylvanian castle houses a cathedral of antlers.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

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

A museum in the childhood house of a medical pioneer.

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

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

The Swiss hilltop housed an early 20th-century vegetarian nudist colony.

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

Fantastic views and thousands of love locks.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

An oversized, oddly designed pedestrian overpass has drawn comparisons to a commode for pachyderms.

Commemorating a unique medieval profession: men who collected feces.

An homage to the humble watering can.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.

An amazing clockwork museum in the Val de Travers holds examples of various prestigious legacies horological history.

The idyllic island where the philosopher Jean-Jacques Rousseau spent “the happiest time of his life.”