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

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Legend holds that this knife serves as a chilling reminder of the deadly rivalry between two local builder brothers.

Tens of thousands of tiny bottles stuffed with various items.

In downtown Oslo, a menacing and terrifying relief clings to a church wall.

A stunning architectural yet functional feat, towering over Oslo.

This handsomely carved wooden church is more than 800 years old.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Romania's triumphal arch looks out over Bucharest.

This snug medieval lane is one of the narrowest streets in the world.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

This once-derelict building is now one of the most beautiful bookstores in the world.

A decaying, yet still functioning, work of communist architecture.

An homage to the medieval rulers of Bulgaria.

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

The ancient Greek Titan guards this massive dam holding a lightning bolt to symbolize electricity.

A Soviet-style monument, built after transferring the remains of heroes from their graves.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

This medieval castle was reconstructed by Carlo Scarpa.