Seattle, Washington is one of the most fascinating cities in the United States. There are many things to do and see that will entertain, educate, and spark the imagination. From the sounds of the Experience Music Project to the sights of the Space Needle you will find plenty of entertainment within the city limits of Seattle. If you are planning your visit on a weekend Seattle will be alive not only with tourists but also with locals enjoying the sights and sounds of the city they love. Be sure to check out the Seattle Underground tour at Pioneer Square, as this is something you aren't likely to see every day.