Fortified medieval tower house with lovely roof garden.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

The oldest operating pharmacy in the world features 800-year-old recipes.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

An extraordinary collection of 18th century anatomical waxworks.

An amazing collection of wax anatomical models and terratological models.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

Gargoyle head that brings good luck.

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

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This historic cemetery was inaccessible for several years due to dozens of land mines.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

Bridge that died in war and was resurected.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

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

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Oriental bazaar in the heart of Sarajevo.

A war-torn Olympic relic is being overtaken by graffiti and nature.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.