This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Architectureal fantasy quarter of Rome.

A submerged archeological park still holds the wonders of a Roman Sodom.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

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

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

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A gift from Emperor Franz Joseph I to his wife.

More than a millennium's worth of municipal records preserve the political history of Austria.

This museum is dedicated to the little known ancient Roman history of Vienna.

A magnificent collection of imperial armor and weaponry.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

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

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

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

An exquisite Baroque church in Vienna's old town.

The Habsburgs' royal collections of art and wonders.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

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

The resting place for anonymous victims of the Danube's dark waters.

Op-art architecture designed for happiness.

Dine amidst exotic plants at this former royal greenhouse.