Venice's island of the dead.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

Venice's "Island of the Mad."

Beautifully decorated tarot cards from the Middle Ages.

Six paintings reminding you that death is integral part of everyday life.

Saint Borromeo often prayed in this austere crypt during the 16th century.

This camera store in Milan holds one of Europe’s largest collections of luxury-antique cameras.

This small Milan street is filled with colorful homes and a rich history.

A larger-than-life house of cards stands outside the house of a former fashion designer.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

The secret medieval communication system will whisk your words above the noise of the crowd.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

A monument to the grand synagogue that stood in this space before Nazis burned it down.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.

A journey through the history of medicine throughout the centuries.