This ordinary street was made infamous by a legendary visit from the devil.

Hans Christian Andersen for the postmodern world.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

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

Copenhagen's celebrated theme park and gardens.

A towering monument to war, located on a beautifully peaceful hill.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

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

This grubby wall is said to be one of the Earth's esoteric energy centers.

A memorial to the beloved brown bear that served in the Polish army during World War II.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

Special benches that play Chopin's music are scattered throughout his native city.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A church of bones, decorated with 40,000 human skeletons.

A vintage penny arcade hidden in the back of a fun fair-themed bar.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

360° views of the city plus five floors of optical illusions and hands-on science.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.