Tarragona, Spain

A port town dating back to the 5th century BC, Tarragona teems with history. Lose yourself in Roman ruins, including an amphitheater overlooking the Mediterranean Sea. Take a stroll in the medieval town centre to explore an enormous Gothic and Romanesque cathedral and other splendid structures. Or head to nearby Reus for your fill of early 20th-century modernist architecture. Feel like getting your adrenaline pumping? Head to PortAventura, a massive amusement park filled with thrilling rides and exciting shows. And when you're hungry, you have plenty of delicious options, including lots of fresh seafood. Take your pick from any number of small bars, restaurants and cafés in the city centre featuring inventive fare from the sea.