There are ski areas and park trails that are worth visiting especially during winter and fall. Seattle may not have museums found in larger cities like Paris and New York; however, there are sites worth visiting like the Seattle Space Center and different beach areas. You can go to the top of the Space Center and enjoy a nice brunch or look around and see the city and neighboring mountains. You can also visit Butchart Gardens in Vancouver, BC, Canada. Attached are some photos.
Besides his aerospace work for Boeing, he has travelled to the following places:
7 Wonders of the World
7 Continents
ALL 50 states of USA
7 Largest Countries in the World
7 Large Economies
7 Ancient Cultures.