Metro station with a claim to rock n' roll fame.

An artistic tribute to the famous singer, just around the corner from where he was born.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

A surreal statue honoring Prague's favorite literary son.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

The hidden lair of an alchemist rediscovered in a 2002 flood.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Designed as a reminder of one of the darkest moments in Austrian history.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

A memorial to those who donated their bodies to science.

The beautiful baroque library of the Hapsburg empire.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The modern birthplace of Irish freedom.

Superb sweets await at the first Jewish bakery inducted into Berlin’s prestigious baker’s guild.

Concerts, art, offices, and a café in what used to be Berlin's first crematorium.

The final resting place of many of Germany's most famous communists.

Banksy's image of a naked man dangling from the window of a sex health clinic.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

On East Burnside, a 24-hour vending machine distributes world-class pastries.