Adventurous types have been flocking to Alaska for decades, and this land of abundant wildlife and natural beauty is more popular than ever. The state saw a record-breaking number of visitors in 2018, with nearly two million people enjoying the great outdoors via cruise ship or plane. And while Alaska may be known as the Last Frontier, there's still plenty to discover on your first trip up north. With so much space, however, it can be hard to know where to start your exploration. We know Alaska is the largest state, but there's still so much to learn We know Alaska is the largest state, but there's still so much to learn. Here are some interesting facts about tours of Alaska : It has the lowest population density of any U.S. state, with only 1 person per square mile (2/km²). It's home to Mount McKinley (also known as Denali), at 20,320 feet (6,194 meters), the tallest mountain in North America and can be seen from all corners of Alaska on a clear day. Alaska has ...