One of Europe's most beloved and longest reigning monarchs, the great Habsburg ruler Maria Theresa, was so extraordinary that we expanded our Super Ship fleet in her honor. Named "Best New River Ship" by Cruise Critic editors her maiden season, the S.S. Maria Theresa features ultra-luxurious accommodations and an array of thoughtful personal touches, ensuring a truly indulgent and unforgettable voyage along the Danube and Main Rivers.