One of Europe's oldest libraries.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

Used as an example in one of the first dictionary entries for "museum" in 1706.

Intricate 14th-century floor tiles hidden underfoot in Winchester Cathedral

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

This charming English house was once the home of England's most famous poet.

Follow the original medieval paths that wind through this intriguing section of the city.

This network of narrow, medieval passages has the most delightful name.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

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

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The oldest floral clock in the world still functions today.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

A remarkable feat of Victorian engineering across the Firth of Forth.

A solemn memorial in a majestic setting that honors a 1692 tragedy.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Prank chair from an 18th-century Danish royal court shows the eternal popularity of fart jokes.

Where a neoclassical sculptor rests at the heart of the museum devoted to him.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.