Sammamish in United States offers a unique experience to travellers. The nearest major city to Sammamish is Seattle. Take a short trip from Sammamish and set some time aside to explore the Seattle. Dotted with places like Sky View Observatory, Hiram M. Chittenden Locks, University Of Washington; it will definitely be a good idea. Also, to reach Sammamish, you'll have to take a flight to Seattle; so its not really a detour. And even if it is, the city is worth paying at least a quick visit. Tour packages of Sammamish are of 1 to 2 days duration.
Don't just take a trip, let the trip take you! Have a enjoyable time at Sammamish.