Morocco’s capital and second-largest city is often overlooked by travelers, but it offers an array of fascinating sites, from ancient ruins to modern architectural masterpieces. Stroll through the medieval kasbah for a view of neighboring Salé across the Bou Regreg River, or haggle for crafts in the bustling medina. Those interested in ancient history will enjoy the layers of ruins at Chellah. The city is also an arts hub with three notable museums, and it’s home to some of Morocco’s most impressive modern architecture, including the Zaha Hadid-designed Grand Théâtre de Rabat and the shining Mohammed VI Tower. In warmer months, visitors can enjoy the beach or take surfing lessons.