Some of the attractions in Seattle, WA area are listed below. More information for visitors can be found at http://www.visitseattle.org/.
Flight Museum (http://www.museumofflight.org/), located about 5 miles north of Seattle-Tacoma (SeaTac) airport
Space Needle and Seattle Center (http://seattlecenter.com/)
Pike Place (http://www.pikeplacemarket.org/), located in downtown Seattle
Ballard Locks (https://www.seattle.gov/tour/locks.htm), about 20 miles from SeaTac.
St. Michelle Winery (https://www.ste-michelle.com/), Woodinville, WA (about 30 miles north of SeaTac)
Boeing Manufacturing Tour (http://www.futureofflight.org/boeing-tour-seattle), Everett, WA (about 40 mile north of SeaTac).
Microsoft (http://www.microsoft.com/en-us/visitorcenter/), Renton, WA (about 25 miles north of SeaTac).
Mt. Rainier National Park (http://www.nps.gov/MORA/planyourvisit/index.htm), located about 75 mile southeast of the SeaTac Airport.
Mt. Olympus (Olympic National Park; http://www.nps.gov/olym/index.htm), about 100 miles west of SeaTac.
Washington State Ferries *http://www.wsdot.wa.gov/ferries/), downtown Seattle to various locations