For tours that expose the fine points of the region's natural beauty, get on board a journey with EcoTours of Oregon. Check out specialized tours like the Mount Saint Helens Volcano Tour, a tour of the Northern Oregon Coast, a Whale Watching Tour, and the Columbia River Gorge Waterfalls. If you're not so much into the nature thing, enjoy tours like the Winery Tour of Oregon's countryside or the Portland Microbrewery Tour.
Smell the roses at the International Rose Test Garden. The garden features walking paths throughout so you can walk through and see the wide variety of over 722 types of roses blooming here. This rose garden is located in Washington Park, so there's plenty to see and do here.
Enjoy some of Portland's outdoor beauty as you explore the area surrounding Forest Park Wildwood Trails. The trails stretch around 40 miles and in the wilderness throughout live a variety of mammals, birds, and lush vegetation. With much of the park overlooking the Willamette River, you're guaranteed some of the best views of the city.