Vysehrad Castle and Prague Castle in the distance, Prague, Czech Republic, Europe

Prague Castle and St. Vitus Cathedral above Vltava River, Prague, UNESCO World Heritage Site, Bohemia, Czech Republic, Europe

Prague Castle and Mala Strana suburb from Vysehrad Castle with Vltava River and bridges, UNESCO World Heritage Site, Prague, Czech Republic, Europe

Visegrád, Hungary – View of the Danube Bend from the castle town of Visegrád (Vyšehrad), with red-roofed houses nestled in forested hills below the medieval citadel and royal palace ruins.

The 14th century Charles Bridge, Prague Castle and St. Vitus Cathedral, Prague, UNESCO World Heritage Site, Bohemia, Czech Republic, Europe

Prague Castle and St. Vitus Cathedral above Vltava River, Prague, UNESCO World Heritage Site, Bohemia, Czech Republic, Europe

Prague Castle and St. Vitus Cathedral above Vltava River, Prague, UNESCO World Heritage Site, Bohemia, Czech Republic, Europe

Vysehrad castle area above Vltava River, Prague, Czech Republic, Europe

High Castle (Vysehrad) and river boat on Vltava River, Prague, Czech Republic, Europe