The Campo Valdés baths, dating back to the 1st century AD, and other reminders of Gijón's time as an ancient Roman port remain visible downtown. Gijón was almost destroyed in a 14th-century struggle over the Castilian throne, but by the 19th century it was a thriving port and industrial city. The lively modern-day city is part fishing port, part summer resort, and part university town, packed with cafés, restaurants, and sidrerías.

- Photo: Jose Angel Astor Rocha / Shutterstock