20 days in West Coast Itinerary

Nicknamed the "Emerald City" because of its abundant evergreen trees, Seattle is the cultural and business center of the Pacific Northwest, as well as a popular holiday destination.

Kick off your visit on the 11th (Sun): examine the collection at The Museum of Flight, then stroll around Waterfall Garden Park, then admire nature's wide array of creatures at Seattle Aquarium, and finally find something for the whole family at Seattle Great Wheel. Here are some ideas for day two: take in panoramic vistas at Space Needle, explore the world behind art at Chihuly Garden and Glass, then wander the streets of Pike Place Market, then look for gifts at Chukar Cherries, and finally take in the waterfront at Hiram M. Chittenden Locks.

To find maps, other places to visit, and tourist information, read Seattle online itinerary maker.

Philadelphia to Seattle is an approximately 7-hour flight. You can also drive; or do a combination of train and subway. The time zone difference when traveling from Philadelphia to Seattle is minus 3 hours. Traveling from Philadelphia in June, things will get a bit cooler in Seattle: highs are around 74°F and lows about 57°F. Wrap up your sightseeing on the 12th (Mon) early enough to travel to Olympic National Park.

In Olympic National Park, ancient rainforests and ocean tidal pools at lower elevations contrast with wildflower-filled alpine meadows and snowcapped peaks.

Olympic National Park is known for nature, scenic drive, and beaches. Your trip includes some of its best attractions: cruise along Hurricane Ridge, trek along High Divide, tour the pleasant surroundings at Sol Duc Falls, and take your sightseeing to a higher altitude at Mount Olympus.

Discover how to plan a Olympic National Park trip in just a few steps with Klarna Trips's itinerary builder.

The Route module can help you plan travel from Seattle to Olympic National Park. Expect slightly colder temperatures when traveling from Seattle in June; daily highs in Olympic National Park reach 66°F and lows reach 50°F. Wrap up your sightseeing on the 15th (Thu) to allow time to travel to Portland.

A big city with a small-town feel, Portland is home to the country's biggest rose test garden, perched on a hill overlooking downtown.

On the 16th (Fri), stop by Powell's City of Books, take in nature's colorful creations at Portland Japanese Garden, then admire the natural beauty at International Rose Test Garden, then admire the landmark architecture of Pittock Mansion, and finally trek along Forest Park.

To find maps, photos, ratings, and more tourist information, you can read our Portland travel itinerary planner.

Explore your travel options from Olympic National Park to Portland with the Route module. Traveling from Olympic National Park in June, things will get somewhat warmer in Portland: highs are around 77°F and lows about 56°F. Wrap up your sightseeing on the 16th (Fri) to allow time to fly to San Francisco.

San Francisco is a top holiday destination featuring scenic beauty and great ethnic and cultural diversity.

San Francisco is known for sightseeing, nature, and parks. Your trip includes some of its best attractions: don't miss a visit to Golden Gate Bridge, get curious at Exploratorium, admire the natural beauty at Japanese Tea Garden, and take in the pleasant sights at Lombard Street.

To find where to stay, more things to do, and tourist information, read our San Francisco trip planner.

Fly from Portland to San Francisco in 3.5 hours. Alternatively, you can drive; or take a bus. Traveling from Portland in June, you will find days in San Francisco are a bit cooler (71°F), and nights are about the same (55°F). Finish up your sightseeing early on the 19th (Mon) so you can travel to Yosemite National Park.

Massive granite mountains, towering waterfalls, groves of Giant Sequoia trees, and wilderness as far as the eye can see distinguish the landscape of Yosemite National Park.

Yosemite National Park is known for nature, sightseeing, and trails. Your trip includes some of its best attractions: take in the dramatic natural features at Glacier Point, hike along North Dome, tour the pleasant surroundings at Tuolumne Meadows, and take some stellar pictures from Valley View.

To see where to stay, traveler tips, maps, and tourist information, go to the Yosemite National Park online route builder.

Use the Route module to find suitable travel options from San Francisco to Yosemite National Park. When traveling from San Francisco in June, plan for a bit warmer days in Yosemite National Park, with highs around 79°F, while nights are a bit cooler with lows around 43°F. Finish your sightseeing early on the 24th (Sat) so you can travel to Los Angeles.

Surrounded by mountain ranges, forests, valleys, beaches, and deserts, the metropolitan area of Los Angeles is home to over 17 million people.

Pack the 25th (Sun) with family-friendly diversions at Universal Studios Hollywood. Next up on the itinerary: make a trip to Santa Monica Pier, browse the different shops at Two Rodeo Drive, see the sky in a new way at Griffith Observatory, and appreciate the extensive heritage of Hollywood Walk of Fame.

To see where to stay, maps, ratings, and other tourist information, read Los Angeles trip planner.

The Route module can help you plan travel from Yosemite National Park to Los Angeles. Traveling from Yosemite National Park in June, Los Angeles is a bit warmer at night with lows of 62°F. Finish up your sightseeing early on the 27th (Tue) so you can go by car to San Diego.

Divided into neighborhoods with distinct characters and cultural heritages, San Diego sits just north of the Mexican border and offers visitors a blend of tourist attractions, including a lively nightlife, diverse cuisine, and a thriving musical scene.

On the 28th (Wed), get to know the resident critters at San Diego Zoo and then test your team's savvy at popular escape rooms. On the 29th (Thu), you'll have a packed day of sightseeing: fly like a bird with a parasailing or paragliding tour, then explore the striking landscape of Cabrillo National Monument, and then let the kids burn off some steam at Balboa Park.

To see ratings, more things to do, reviews, and tourist information, read our San Diego day trip site.

You can drive from Los Angeles to San Diego in 2 hours. Other options are to fly; or take a bus. When traveling from Los Angeles in June, plan for a bit cooler days in San Diego, with highs around 73°F, while nights are about the same with lows around 64°F. Wrap up your sightseeing by early afternoon on the 30th (Fri) to allow enough time to fly back home.