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

A replica of the straw hut where Vladimir Lenin lived in hiding, disguised as a hay farmer, in 1917.

Britain's only herd of free-ranging reindeer.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

The eclectic observatory castle of a 19th-century astronomer and explorer.

A once-magnificent collegiate church is falling into ruin.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

An open-air sewer system that was covered piece-by-piece over 300 years.

Museum covers every step of the chocolate-making process, from cultivation to the finished product.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

Cozy basement bar sports an inventory of over 2,000 beers.

Climb inside an iron crystal magnified 165 billion times its normal size.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Lavish royal estate punctuated with heated greenhouses.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Home to three historic ships from the age of Vikings.

2300-year-old Roman road connecting the empire.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The underground sanctuary of a mysterious ancient cult.