This building has survived for more than a century and remains virtually untouched.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

This sculpture honors the man who was known as the "Righteous Among the Nations."

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The pyramid-shaped grave of one of the first mountain astronomers and a pyramid theorist.

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

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

Two stone columns flank the grand Venice square, but there were supposed to be three.

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

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

One of the most important yet well-hidden museums dedicated to the history of medicine.

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The mystic whose incorrupt corpse still attracts the faithful.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

This 11th-century Cistercian abbey was once seized by Henry VIII.

This tallest folly in the world began its life as an elaborate factory chimney.