Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

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

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

One of downtown Berlin's last reminders of its Communist past.

A restaurant and observation deck built in a unique broadcasting antenna.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

The most visited, and possibly most controversial, museum in Germany.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The famous winding walk at Chartres is surrounded in mystery and myth.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

The "Prussian Versailles" that is as glorious today as when it was built.

This riverside restaurant has been serving customers since 1146.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.