20 days in United States Itinerary

Writer Pearl Buck once called New York City “a place apart,” and this giant urban center remains unlike any other in the world.

New York City is known for sightseeing, museums, and nightlife. Your trip includes some of its best attractions: go for a walk through Central Park, admire the striking features of Rockefeller Center, tour the pleasant surroundings at The High Line, and enjoy breathtaking views from Top of the Rock.

For maps, where to stay, and tourist information, you can read our New York City driving holiday site.

London, UK to New York City is an approximately 11-hour flight. Due to the time zone difference, you'll gain 5 hours traveling from London to New York City. Prepare for a bit warmer weather when traveling from London in September: high temperatures in New York City hover around 31°C and lows are around 22°C. Cap off your sightseeing on the 4th (Mon) early enough to catch the flight to Washington DC.

The capital of the United States, the District of Columbia contains the lion's share of the country's most treasured monuments, memorials, and public museums.

Washington DC is known for sightseeing, museums, and historic sites. Your trip includes some of its best attractions: see the interesting displays at National Air and Space Museum, ponder the world of politics at Library of Congress, take an in-depth tour of United States Holocaust Memorial Museum, and pause for some photo ops at Washington Monument.

To find where to stay, maps, other places to visit, and other tourist information, read Washington DC online trip itinerary maker.

Fly from New York City to Washington DC in 3 hours. Alternatively, you can take a train; or drive. In September, daytime highs in Washington DC are 32°C, while nighttime lows are 21°C. Finish your sightseeing early on the 7th (Thu) to allow enough time 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.

Yellowstone National Park is known for nature, wildlife, and sightseeing. Your trip includes some of its best attractions: take in breathtaking views at Grand Canyon of the Yellowstone, witness a stunning natural landmark at Grand Prismatic Spring, look for all kinds of wild species at Hayden Valley, and explore the wealth of natural beauty at Aurum Geyser.

Plan my trip to Yellowstone National Park with suggested itineraries provided by Inspirock.

You can fly from Washington DC to Yellowstone National Park in 8 hours. Alternatively, you can drive. Traveling from Washington DC to Yellowstone National Park, you'll gain 2 hours due to the time zone difference. Traveling from Washington DC in September, things will get much colder in Yellowstone National Park: highs are around 18°C and lows about 0°C. Wrap up your sightseeing on the 12th (Tue) to allow time to fly to San Francisco.

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

Kick off your visit on the 13th (Wed): admire the natural beauty at Japanese Tea Garden, then snap pictures at Golden Gate Bridge, and then stroll around Golden Gate Park. On your second day here, pause for some photo ops at Coit Tower, then head off the coast to Alcatraz Island, then take in the waterfront at Fisherman's Wharf, and finally take in the pleasant sights at Lombard Street.

To see photos, more things to do, where to stay, and more tourist information, refer to the San Francisco trip planner.

Traveling by flight from Yellowstone National Park to San Francisco takes 4 hours. Alternatively, you can drive; or do a combination of car, bus, train, and subway. Traveling from Yellowstone National Park to San Francisco, you'll gain 1 hour due to the time zone difference. Traveling from Yellowstone National Park in September, expect nights in San Francisco to be warmer, around 17°C, while days are somewhat warmer, around 28°C. Finish your sightseeing early on the 14th (Thu) 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: explore the striking landscape at Glacier Point, explore the wealth of natural beauty at Swinging Bridge Picnic Area Yosemite National Park CA, take in the dramatic scenery at Vernal Fall, and contemplate the waterfront views at Tenaya Lake.

To see maps, traveler tips, reviews, and more tourist information, refer to the Yosemite National Park day trip planning site.

The Route module can help you plan travel from San Francisco to Yosemite National Park. Traveling from San Francisco in September, expect much colder with lows of 3°C in Yosemite National Park. Finish up your sightseeing early on the 18th (Mon) so you can travel to Seattle.

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 19th (Tue): see the interesting displays at The Museum of Flight, then enjoy breathtaking views from Space Needle, then admire the masterpieces at Chihuly Garden and Glass, and finally stop by Elliott Bay Book Company.

Plan my day in Seattle using traveler tips and tourist information provided by Inspirock.

Explore your travel options from Yosemite National Park to Seattle with the Route module. Traveling from Yosemite National Park in September, Seattle is somewhat warmer at night with lows of 15°C. Finish up your sightseeing early on the 20th (Wed) so you can catch the flight back home.