Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Home to three historic ships from the age of Vikings.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

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.

Baroque celebration of the end of the Great Plague of Vienna.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Protecting the dead from opportunistic body snatchers.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A perfectly running 230-year-old silver automaton and music box.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Semi-precious Blue John stones have been mined in this cavern system for centuries.