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

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

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.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

This hidden collection of everyday objects illustrates life within communist Poland.