Southeast Europe country that is landlocked, and known officially as the Republic of Serbia. While not really a tourism destination, the spas and mountain resorts do draw some domestic visitors.

Set on the River Seine, Rouen is Normandy's capital and a breathtaking city steeped in history, art, and romance. Marvel at the exquisite Gothic architecture of the Palais de Justice, l'Église Saint-Maclou, l'Abbatiale Saint-Ouen, and the Cathédrale Notre-Dame de Rouen.

Midway between Salzburg and Vienna, Linz boasts beautiful Baroque buildings, including Old Town Hall and the Old Cathedral, Alter Dom.

Utrecht, a charming city in the Netherlands, offers a captivating blend of history, culture, and modern vibrancy. Dominated by its striking Dom Tower, the tallest church tower in the Netherlands, Utrecht invites visitors to climb its 465 steps for panoramic views of the city and the surrounding countryside.

Saudi Arabia is an Arabian Peninsula country, with a coastline running along both the Persian Gulf and the Red Sea. Tourism in Saudi Arabia might involve seeing the amazing city of Riyadh, the temples of Madain Saleh, Jubbah's rock art, and the immaculate waters of the Red Sea.