Venice's island of the dead.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

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

100 year tradition of fist fights, marked by marble footsteps.

Only a fragment of this 15th-century Dance of Death survives today.

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

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

Everything from miniature biblical scenes to life-sized statues are almond-based at this sweet and nutty gallery.

An ancient necropolis of magnificent tombs.

Sex curse discovered on ancient tablet in Cyprus.

For nearly 2,000 years this church has been waging war on local snakes by importing cats.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

This haunting sculpture was created as a statement on the mechanized warfare of the First World War.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

From afar it looks like someone's hat blew into the water, but closer inspection reveals a giant floating sculpture.

A series of carved figures that scandalized British society.

Once a year, local students "clean" this statue with a champagne shower.

Reminders of the Battle of Berlin still scar the railway.

An architectural oddity hides in plain sight on this iconic London bridge.

This abandoned Slovenian military barracks has become a punky-political art squat.

A large collection of ancient runestones decorates this university courtyard.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.