Reading Mathew McConaughey's bio-book, Greenlights, I was struck that several times in his career, he just took off to travel. An early mentor told him to go explore and relax. Another time a wet-dream inspired him go to the Amazon River.
My adult life has largely been too structured to travel spontaneously. I have once or twice. When I was living in Florida I found myself unemployed one summer and hopped in the car and drove to Michigan on kind of a whim.
When traveling with plans, we often encounter things that interrupt our carefully planned trip - a museum that is closed, or a road closed, or a sleepless night. When that happens just change directions, go another way, do something unexpected.
The sign above, was in the airport in Reykjavik, a trip that was originally planned for Boston, then we went right instead of left.