This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers.

Estes Park, Colorado, is a picturesque mountain town nestled at the entrance of Rocky Mountain National Park. Known for its stunning natural beauty, it offers visitors a perfect blend of adventure and relaxation. With over 300 miles of hiking trails, pristine alpine lakes, and breathtaking mountain vistas, Estes Park is an outdoor enthusiast’s paradise.

Huntington Beach, California, famously known as “Surf City USA,” is a paradise for beachgoers and surf enthusiasts alike. With over 10 miles of pristine coastline, the city offers a perfect blend of natural beauty and vibrant coastal culture. The Huntington Beach Pier, one of the longest on the West Coast, is an iconic spot for visitors to watch surfers ride the waves or catch a breathtaking sunset.

Aalborg is the fourth largest city in Denmark and constitutes a natural center for the North Jutland region. In addition Aalborg is Denmark's largest conference center, outside Copenhagen. Aalborg has many cultural attractions which appeal to a wide variety of tastes; a varied night-life and more than 300 restaurants, bars and clubs.

Toulon, a vibrant port city on the French Riviera, is a hidden gem waiting to be explored. Known for its deep natural harbor, Toulon has long been a significant naval base for France, and the city's maritime heritage is still very much alive today. Visitors can explore the bustling Toulon Harbor, where yachts, fishing boats, and naval vessels coexist in a lively display of seafaring life.