These elaborate gothic monuments honor Verona's medieval lords.

The last bastion of Roman presence north of the Alps looms over a German town.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

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

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

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

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

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

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

Bridge that died in war and was resurected.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

This one-time health resort was used by aristocrats around the world.

Gargoyle head that brings good luck.

An ancient knight and a symbol of the city's freedom.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.