Located in western Norway, the Sognefjord is the largest fjord in the country, stretching over 125 miles (200 kilometers) inland from the sea. Reaching depths of 3,300 feet (1,000 meters) at points, it’s both the second-longest and second-deepest fjord in the world. Branches of the Sognefjord hold their own accolades—like the UNESCO-protected Nærøyfjord, which shrinks to only 1,000 feet (300 meters) across at its narrowest point—and many tours will include these on a Sognefjord itinerary.
Beyond exploring watery worlds, visitors to the Sognefjord can tour old-fashioned villages like Gudvangen and Flåm, home to the famous Flåm Railway, one of the most dramatic railroad routes in the world. Five medieval stave churches can also be found here—a big deal, considering there are only 28 left remaining in the entire country. Jostedalsbreen, the largest glacier in mainland Europe, is also accessible from the Sognefjord.