5. GARDEN PATHS Get in touch with nature at Portland's renowned public gardens. Highlights: the tranquil Japanese Garden (with koi pond) in Washington Park (611 SW Kingston Ave.; 503-223-1321); the International Rose Test Garden, home of 10,000 rosebushes (400 SW Kingston Ave.; 503-823-3636); and the Portland Classical Chinese Garden, with a real teahouse (NW Third Ave. at Everett St.; 503-228-8131).
6. ALL ABOARD AT THE ZOO Explore the 64-acre Oregon Zoo, with its dazzling butterfly exhibit and aviary, where kids can purchase nectar for birds to sample. Board the zoo train for a 30-minute ride to Washington Park and back (4001 SW Canyon Rd.; 503-226-1561).
7. SCIENCE ADVENTURES At the Oregon Museum of Science and Industry, kids can check out their own science playground, see a show at the planetarium, and board the USS Blueback submarine (1945 SE Water Ave.; 503-797-4000). Afterward, treat the kids to lunch at the casual Bread and Ink Cafe (3610 SE Hawthorne Blvd.; 503-239-4756)
8. STREET LIFE Discover the hip Pearl District, home of the original Hanna Andersson store, and visit Jamison Square, where kids can wade in a pool created by fountains (810 NW 11th Ave.). Enjoy a Hot Lips Pizza, made from regional ingredients (NW 10th Ave.; 503-595-2342), then ride the streetcar through blocks lined with cafes and galleries.
9. MUSEUM FUN Explore Oregon's pioneer days at The Oregon Historical Society, with displays that include a re-created ship hull of the Hudson's Bay Company (1200 SW Park Ave.; 503-222-1741). At the Portland Children's Museum, kids can create sculptures from clay, found objects, and recycled materials (4015 SW Canyon Rd.; 503-223-6500).
10. MOUNTAIN & OCEAN Consider a couple of scenic road trips: Head to Mount Hood, 65 miles away via the Columbia River Gorge, for lunch at historic Timberline Lodge (503-622-7979). Or dip your toes in the Pacific Ocean -- too icy for a swim -- and stroll the boardwalk or rent pedal carts in the town of Seaside, 80 miles west on U.S. 26.