Pula, a historic city located on the Istrian Peninsula in Croatia, is renowned for its impressive Roman heritage and vibrant cultural scene. The city's centerpiece is the Pula Arena, one of the best-preserved Roman amphitheaters in the world. This monumental structure, built in the 1st century AD, offers visitors a glimpse into ancient spectacles and gladiatorial contests. Today, it hosts various events, including concerts and film festivals.

If it wasn't for Paris, Ghent would be medieval Europe's largest city. Steeped in history both rebellious and industrious, it sits at the junction of the Leie and Scheldt rivers and was once the site of armed battles by its townsfolk, who raged against heavy taxes and restricted civil liberties.

Most commonly reached via travel from Cusco, Ollantaytambo is an Incan archaeological site in the Sacred Valley of southern Peru. The town dates from the late 15th century and is home to some of the oldest continuously-occupied dwellings in South America.

Sirmione, a picturesque town on the southern shore of Lake Garda, Italy, offers a unique blend of natural beauty and historical intrigue. Known for its stunning peninsula that juts into the lake, Sirmione is celebrated for its charming medieval streets and spectacular lakeside views. At the heart of the town stands the Scaliger Castle, a 13th-century fortress surrounded by moats and offering panoramic views of Lake Garda and the surrounding landscape.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.