This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

One of downtown Berlin's last reminders of its Communist past.

A monument to the man who almost killed Hitler.

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

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Scotland's only funicular railway is also the United Kingdom's highest.

Britain's only herd of free-ranging reindeer.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Largest lake in Great Britain measured by surface area.

This hidden green space is the city's second largest conservatory.

Artists and musicians now rule over this former rail station.

A hands-off space for graffiti artists to hone and display their skills.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.