When exploring Cornwall, the top cities to visit are Truro, with its stunning cathedral and vibrant markets; St Ives, known for its beautiful beaches and art scene; Falmouth, offering maritime history and coastal charm; Penzance, with its picturesque harbour and historic sites; and Newquay, famous for its surfing spots and lively atmosphere. Each city offers a unique blend of culture, history, and natural beauty, making them must-visit destinations in Cornwall.