The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Handsomely crafted representations of our round planet.

The final resting place of the poets Shelley and Keats.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Every Tuesday, students let off steam by screaming into the night air.

Sweden's "good old days" painstakingly re-created in a model village.

Stockholm's deepest subway station is also a stunning ecological wonder.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Stockholm's tiniest statue is of a small boy looking at the Moon.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

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

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Hans Christian Andersen for the postmodern world.

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

A scattered trail of street art adds a pop of color to the city's stark structures.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

Memorial to the Titanic engineers that died working to hold back the sea.

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

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.