Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

A roadside shrine to a late rock god only remains thanks to the unyielding efforts of his fans.

Crafted by one of the first makers of stoneware in England.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

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.

Baroque celebration of the end of the Great Plague of Vienna.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

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

This Roman theater was crafted into the local tuff rock and was rediscovered during the 19th-century.

A 16th-century horror show built in a lovely Italian garden.

This ancient altar emerges from the thick forests to reveal the mysteries of Etruscan sacrificial rituals.

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

For centuries, this town's hot springs have been embraced by rich and poor—and even by Popes.

This fiberglass version of the Awakening sculpture by Seward Johnson, now resides in its third location in Italy, in Viterbo.

This war memorial commemorates some of the world's first paratroopers.