Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Spectacularly picturesque, Montreux is situated on the shore of Lake Geneva and one of Switzerland's most popular resort destinations. Montreux is best known for stunning lakeside views, upscale hotels, an annual jazz festival, and the magnificent Château de Chillon, the medieval castle which inspired the writings of many Romantic era poets.

Tomar sits on the Nabão River in central Portugal as a place where medieval history and everyday life meet in welcoming streets and grand monuments. Just outside the convent walls lies the Pegões Aqueduct, an impressive feat of engineering more than 6 kilometers long that once carried water from distant springs to the hilltop site. Some sections of its arches rise more than 30 meters above the valley floor, making it a striking backdrop for photos.

More than 5.5 million people visit Durham each year to enjoy a wealth of things to see and do including historical landmarks and sites, art centers and museums, nationally-recognized festivals and sports events.

Midway between Salzburg and Vienna, Linz boasts beautiful Baroque buildings, including Old Town Hall and the Old Cathedral, Alter Dom. Lentos Kunstmuseum Linz has a major modern art collection and across the river, the striking Ars Electronica Center focuses on society, technology, and the future. Some of Austria's most iconic figures, including Adalbert Stifter, composers Wolfgang Mozart and Anton Bruckner, and the famous scientist Johannes Kepler, once called Linz home.