Built in 2001, the Viking River Cruises Viking Spirit measures 375 feet in length and carries up to 150 guests on leisurely river cruises, stopping at key ports throughout the heart of each destination. Onboard attractions include a main restaurant, a full bar and lounge, an inviting library, and more. With a heavy emphasis on the destination and exploring each port, the Viking Spirit provides well-educated guides, eager to share their wealth of knowledge, in addition to pamphlets and guidebooks for each stop.