29 days in United States 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.

Step out of the city life by going to Murhut Falls and Deer Park. There's still lots to do: explore the world behind art at Chihuly Garden and Glass, walk around Waterfall Garden Park, make a trip to Space Needle, and wander the streets of Pike Place Market.

To find traveler tips, other places to visit, maps, and tourist information, go to the Seattle trip planner.

Hamburg, Germany to Seattle is an approximately 16-hour flight. The time zone changes from Central European Standard Time (CET) to Pacific Standard Time (PST), which is usually a -9 hour difference. Traveling from Hamburg in May, you can expect nighttime temperatures to be somewhat warmer in Seattle, with lows of 13°C. Wrap up your sightseeing on the 11th (Thu) to allow time to fly to Glacier National Park.

The glaciers from which Glacier National Park takes its name mostly dissipated eons ago, but they left behind a scoured landscape of high and steep mountain peaks, sparkling lakes, lush alpine meadows, and thick forests.

Start off your visit on the 12th (Fri): take in the dramatic natural features at Grinnell Glacier. Get ready for a full day of sightseeing on the next day: explore the activities along Avalanche Lake and then contemplate the waterfront views at Lake McDonald.

For maps, photos, reviews, and other tourist information, go to the Glacier National Park trip builder app.

Traveling by flight from Seattle to Glacier National Park takes 3 hours. Alternatively, you can drive. You'll lose 1 hour traveling from Seattle to Glacier National Park due to the time zone difference. Expect slightly colder evenings in Glacier National Park when traveling from Seattle in May, with lows around 3°C. Wrap up your sightseeing on the 13th (Sat) early enough to fly to Yellowstone National Park.

An exceptionally diverse landscape and varied wildlife have made Yellowstone National Park one of America's most popular parks.

Visiting Grand Canyon of the Yellowstone and Fountain Paint Pot will get you outdoors. There's much more to do: take in the natural beauty of Old Faithful, explore the striking landscape at Lower Geyser Basin, cruise along Firehole Canyon Drive, and take in breathtaking views at S Rim Trail.

To find other places to visit and more tourist information, read Yellowstone National Park holiday planner.

Fly from Glacier National Park to Yellowstone National Park in 6.5 hours. Alternatively, you can drive; or do a combination of car, bus, and taxi. Expect little chillier temperatures when traveling from Glacier National Park in May; daily highs in Yellowstone National Park reach 13°C and lows reach -3°C. Finish your sightseeing early on the 18th (Thu) so you can fly to South Lake Tahoe.

High in the Sierra Nevada mountains on the shore of one of America’s most scenic lakes, South Lake Tahoe captures the spirit of the outdoors and serves as a hub for tourism activities surrounding the lake.

Kick off your visit on the 19th (Fri): cruise along Inspiration Point Vista, explore the activities along Emerald Bay State Park, and then indulge your senses at Wine Tours From Tahoe. On your second day here, cast your line with a fishing tour, then identify plant and animal life at Van Sickle Bi-State Park, and then gear up at Rock House Discount Ski & Snowboard Rentals.

To see ratings, photos, other places to visit, and tourist information, refer to the South Lake Tahoe trip maker app.

You can fly from Yellowstone National Park to South Lake Tahoe in 6 hours. Other options are to drive; or do a combination of taxi and bus. The time zone changes from Mountain Standard Time to Pacific Standard Time, which is usually a -1 hour difference. Traveling from Yellowstone National Park in May, things will get a bit warmer in South Lake Tahoe: highs are around 20°C and lows about 1°C. Finish your sightseeing early on the 20th (Sat) to allow enough time to drive to Olympic Valley.

Start off your visit on the 21st (Sun): contemplate the waterfront views at Lake Tahoe, then indulge in some personalized pampering at Spa at Squaw Creek, and then cast your line with Matt Heron Fly Fishing. On your second day here, fly down the slopes at Palisades Tahoe.

To see photos, traveler tips, reviews, and more tourist information, read Olympic Valley trip planning website.

You can drive from South Lake Tahoe to Olympic Valley in 1.5 hours. In May, plan for daily highs up to 19°C, and evening lows to 0°C. Cap off your sightseeing on the 22nd (Mon) early enough to 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.

Take a break from the city and head to Mariposa Grove and Glacier Point. Next up on the itinerary: take in the dramatic natural features at Sentinel Dome, take some stellar pictures from Valley View, trek along North Dome, and see human ingenuity at work at Hetch Hetchy Reservoir.

To see traveler tips, more things to do, ratings, and other tourist information, use the Yosemite National Park online tour planner.

Explore your travel options from Olympic Valley to Yosemite National Park with the Route module. In May, daily temperatures in Yosemite National Park can reach 21°C, while at night they dip to 1°C. Wrap up your sightseeing on the 28th (Sun) early enough to travel to Sacramento.

The capital city of America's most economically significant state, Sacramento is an important stop for any politico.

Get outdoors at West Coast Falconry and Stevens Trail. Venture out of the city with trips to V. Sattui Winery (in St. Helena) and Napa (Judd's Hill MicroCrush & Balloon Rides). There's still lots to do: examine the collection at California State Railroad Museum and take an in-depth tour of California State Capitol Museum.

To find other places to visit, maps, ratings, and other tourist information, use the Sacramento trip builder site.

Use the Route module to find suitable travel options from Yosemite National Park to Sacramento. Traveling from Yosemite National Park in May, expect Sacramento to be a bit warmer, temps between 32°C and 14°C. Wrap up your sightseeing on the 31st (Wed) to allow time to fly to Las Vegas.

Nicknamed the "Entertainment Capital of the World," Las Vegas sits in the middle of a desert in the southern section of Nevada.

Escape the urban bustle at Red Rock Canyon National Conservation Area and Clark County Wetlands Park. Explore Las Vegas' surroundings by going to Meadview (Helicopter Tours & Grapevine Mesa Joshua Trees), Veteran's Memorial Park (in Boulder City) and Spring Mountains Visitor Center (in Mount Charleston). There's much more to do: admire the local landmark of Fountains of Bellagio, see Off-Road Tours, enjoy breathtaking views from High Roller, and look for all kinds of wild species at Lake Mead National Recreation Area.

For photos, more things to do, where to stay, and tourist information, refer to the Las Vegas online travel planner.

Fly from Sacramento to Las Vegas in 3 hours. Alternatively, you can drive; or do a combination of train and bus. Prepare for a bit warmer weather when traveling from Sacramento in May: high temperatures in Las Vegas hover around 36°C and lows are around 20°C. Finish your sightseeing early on the 4th (Sun) to allow enough time to fly back home.