This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Blitzkrieg bop your way through Berlin's Ramones Museum.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

A fascinating insight into daily life in the Eastern Bloc.

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

Architectureal fantasy quarter of Rome.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This Italian dam is covered in salt-hungry goats who manage to scale its almost vertical face.

This Tuscan lake hides a 13th century town that is still visible when the water recedes.

A sunken idol welcomes parishioners to Davy Jones' Locker.

This Italian foot path winds through the mountains via 52 individual tunnels.

The location of the last witch trials of Italy, known as "The Salem of Europe."

This centuries-old Italian chapel hangs midway down a sheer cliffside.

The world's largest bamboo labyrinth is a living demonstration of the plant’s immense potential.

Whimsical wash tubs row down the stream as part of this Carnival celebration.

This natural "sea of stones" was once used by the Romans as a quarry.

The atomic museum in the basement of this German castle displays long strands of replica uranium cubes.

The narrowest street in the world is in danger of closing up entirely.

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