The old Mediterranean port of Kotor, is in the Gulf of Kotor - one of the most indented parts of the Adriatic Sea, and sometimes referred to as the most-southern fjord in Europe. Ruled by Venice for hundreds of years, this lovely coastal town's architecture bears heavy Venetian influences. Surrounded by impressive walls, which have stood since medieval times, a stroll around the Old City will take you past historic buildings, criss-crossed with narrow streets and squares. The Cathedral of Saint Tryphon, constructed in 1166, is one of the oldest and most beautiful examples of Roman architecture along this coast. Head inland and you can discover the compelling Montenegrin landscape. With a backdrop of the rugged Balkan Mountains, Durmitor National Park is traversed by rivers and underground streams. Gaze in awe at the Tara Canyon, which is surrounded by dense pine forests and is one of the deepest gorges in the world.