Viking River Cruises 2024. Cruise the douro river valley, the world’s oldest demarcated wine region and a unesco site. Get available dates and pricing for grand european tour river cruises.
Sample the culinary delights of austria’s wachau valley. — viking has already sold 55% of its capacity for 2025 sailings, about a fifth more than it had filled for the 2024 season at this point last year.