Neuschwanstein Castle (Germany) - This fairy-tale castle is nestled in the Bavarian Alps and was the inspiration for Disney's Sleeping Beauty Castle.
Edinburgh Castle (Scotland) - Perched on a volcanic rock, this historic fortress offers stunning views of the city of Edinburgh.
Château de Chambord (France) - This Renaissance castle in the Loire Valley is known for its distinctive French architecture and beautiful gardens.
Windsor Castle (England) - The oldest and largest inhabited castle in the world, Windsor Castle is the official residence of the Queen of England.
Prague Castle (Czech Republic) - This ancient castle complex overlooking the city of Prague includes a cathedral, palaces, and gardens.
Alhambra (Spain) - This stunning Moorish palace and fortress complex in Granada is known for its intricate Islamic architecture and beautiful gardens.
Hohenzollern Castle (Germany) - Perched atop a hill in the Swabian Alps, this fairy-tale castle offers panoramic views of the surrounding countryside.
Pena Palace (Portugal) - This colorful Romanticist castle is situated on a hilltop in Sintra and offers breathtaking views of the surrounding area.
Bran Castle (Romania) - Often associated with the legend of Dracula, this medieval castle in Transylvania is a popular tourist destination.
Eilean Donan Castle (Scotland) - Situated on a small island in the Scottish Highlands, this picturesque castle is one of Scotland's most iconic landmarks.