A gift from Emperor Franz Joseph I to his wife.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The solemn exterior conceals an opulent interior of this 17th century church.

An exquisite Baroque church in Vienna's old town.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

The Habsburgs' royal collections of art and wonders.

This museum promotes informed contraception by documenting its often secret past.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

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

Dine amidst exotic plants at this former royal greenhouse.

The beautiful baroque library of the Hapsburg empire.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

The ruins of this Roman temple dominate the small city in southern Lazio.

An abandoned monastery sits on a far-off island in the Adriatic Sea.

A surreal botanical garden with an even more surreal tour guide.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

Though an earthquake destroyed this village in 1980, one former resident still walks its streets every day.

Caligula's colossal pleasure ships, discovered by Mussolini only to be lost in flames.

This unusually shaped fortress houses a blend of centuries-old frescoes and modern art.

A beautiful chapel on the hills of the Oltrepò Pavese claims to house the tomb of King Edward II of England.

A haunting collection of sunken wooden barges litters this Italian river bend.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

Claude Monet immortalized this medieval bridge in two of his paintings.