It started out as a summer vacation and turned into the adventure of a lifetime. 

At the age of seventy, when it looked like life was over, Dave Graham put everything he owned in storage and went in search of a dream he thought was no longer within reach. But what if it wasn't? Here is how one man managed to climb out of retirement, buy the boat of his dreams, and take it up through the Inside Passage. Hundreds of miles—past thousands of islands—without modern navigational aids.

All the way to Alaska.