Plovdiv, one of the oldest continuously inhabited cities in Europe, carries over 8,000 years of history layered into its streets. The Roman Theater, still in use today, was discovered by accident in the 1970s and now hosts operas and concerts overlooking the Rhodope Mountains. Nearby, visitors can walk the remains of a Roman stadium buried beneath the main pedestrian street, where modern shops and cafés stand above ancient foundations.

Isabella Island is the largest of the Galapagos islands, on the western end of the archipelago. Shaped like a seahorse when viewed from above, Isabella is home to more wild tortoises than any other island, as well as a wide variety of other animal, bird and marine life.

Katmai National Park and Preserve lies along Alaska’s remote Pacific coast, shaped by volcanism, glaciers, and deep time. The area gained prominence after the 1912 Novarupta eruption, one of the largest volcanic events of the 20th century, which transformed the landscape and led to the creation of the Valley of Ten Thousand Smokes.

There is no other place with such a variety of scenery - deserts, mountains, lush tropical vegetation, and valleys filled with thousands of banana trees. Agriculture here offers everything: lime trees, vine-yards, coffee plantations, sugar cane, almond, tomato and banana crops, as well as, pine and palm forests.

An island of international renown, Hydra is one of the first islands to have been discovered by tourism and, due to the short distance from Athens, has for years hosted a large number of tourists.