1. Many European cities have unique architectural styles that reflect their history and culture, such as the Art Nouveau buildings in Brussels or the medieval structures in Prague, often overlooked by tourists. 2. Several cities in Europe, like Amsterdam and Venice, are famous for their extensive canal systems, which were historically used for trade and transportation but now serve as a picturesque backdrop for residents and visitors alike. 3. Europe is home to numerous hidden green spaces, such as urban gardens and parks, which provide residents with access to nature amidst the bustling city life, like the secret gardens of Paris or the rooftop parks in Berlin.