21 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 museums, nightlife, and shopping. Your plan includes some of its best attractions: stroll around Central Park, take some stellar pictures from Top of the Rock, take in the pleasant sights at The High Line, and make a trip to Times Square.

For reviews, where to stay, maps, and more tourist information, read New York City trip planner.

London, UK to New York City is an approximately 11.5-hour flight. Due to the time zone difference, you'll gain 5 hours traveling from London to New York City. Traveling from London in October, expect New York City to be somewhat warmer, temps between 24°C and 16°C. Finish your sightseeing early on the 4th (Mon) to allow enough time to take a train 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 museums, historic sites, and nightlife. Your plan includes some of its best attractions: see the interesting displays at National Air and Space Museum, get engrossed in the history at United States Holocaust Memorial Museum, get a sense of history and politics at Library of Congress, and explore the world behind art at National Gallery of Art.

For reviews, other places to visit, more things to do, and more tourist information, use the Washington DC trip maker.

You can take a train from New York City to Washington DC in 3.5 hours. Alternatively, you can fly; or drive. In October, daily temperatures in Washington DC can reach 25°C, while at night they dip to 14°C. Wrap up your sightseeing on the 7th (Thu) early enough to travel 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.

Kick off your visit on the 8th (Fri): admire the natural beauty at Bellagio Conservatory & Botanical Gardens, don't miss a visit to Fountains of Bellagio, and then get a taste of the local shopping with The Strip.

To see more things to do, where to stay, and tourist information, use the Las Vegas travel planning site.

You can fly from Washington DC to Las Vegas in 7 hours. Other options are to drive; or take a bus. The time zone difference moving from Eastern Standard Time to Pacific Standard Time is minus 3 hours. Prepare for a bit warmer weather when traveling from Washington DC in October: high temperatures in Las Vegas hover around 32°C and lows are around 18°C. Wrap up your sightseeing on the 8th (Fri) to allow time 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.

Yosemite National Park is known for nature, trails, and scenic drive. Your plan includes some of its best attractions: explore the striking landscape at Half Dome, don't miss a visit to Yosemite Village, tour the pleasant surroundings at Panorama Trail, and trek along Tuolumne Meadows.

To find out how to plan a trip to Yosemite National Park, use our trip itinerary maker.

Traveling by car from Las Vegas to Yosemite National Park takes 6 hours. Alternatively, you can do a combination of flight and car. When traveling from Las Vegas in October, plan for slightly colder days in Yosemite National Park, with highs around 22°C, while nights are colder with lows around -2°C. Finish up your sightseeing early on the 12th (Tue) so you can travel to San Francisco.

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

On the 13th (Wed), stroll through Alcatraz Island, then take a leisurely stroll along Fisherman's Wharf, and then take in the views from Golden Gate Bridge. On the next day, take in nature's colorful creations at Japanese Tea Garden, then walk around Golden Gate Park, and then browse the different shops at Ferry Building Marketplace.

To see maps, reviews, traveler tips, and more tourist information, refer to the San Francisco trip itinerary site.

Traveling by car from Yosemite National Park to San Francisco takes 4 hours. Traveling from Yosemite National Park in October, expect nights in San Francisco to be much hotter, around 15°C, while days are a bit warmer, around 26°C. Wrap up your sightseeing on the 14th (Thu) early enough to travel to Grand Teton National Park.

The peaks of Grand Teton National Park aren't the highest in the world, but they sit atop what might be nature's archetypes for mountains.

Start off your visit on the 15th (Fri): take your sightseeing to a higher altitude at Grand Teton. Get ready for a full day of sightseeing on the 16th (Sat): tour the pleasant surroundings at Cascade Canyon Trail, go for a walk through Potholes Turnout, then cruise along Teton Park Road, and finally cruise along 42-mile Scenic Loop Drive.

For reviews, maps, more things to do, and other tourist information, read our Grand Teton National Park day trip website.

Traveling by flight from San Francisco to Grand Teton National Park takes 4.5 hours. Alternatively, you can drive; or do a combination of bus and taxi. The time zone changes from Pacific Standard Time to Mountain Standard Time, which is usually a 1 hour difference. When traveling from San Francisco in October, plan for slightly colder days and much colder nights in Grand Teton National Park: temperatures range from 15°C by day to -2°C at night. Finish up your sightseeing early on the 16th (Sat) so you can go by car 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 historic sites. Your plan includes some of its best attractions: take in breathtaking views at Grand Canyon of the Yellowstone, explore the activities along Shoshone Lake, take in the dramatic natural features at Lower Geyser Basin, and take in the natural beauty of Lone Star Geyser.

Plan a trip to Yellowstone National Park easily and quickly by telling Inspirock to suggest an itinerary.

Traveling by car from Grand Teton National Park to Yellowstone National Park takes 1.5 hours. When traveling from Grand Teton National Park in October, plan for little chillier days and about the same nights in Yellowstone National Park: temperatures range from 9°C by day to -4°C at night. Finish your sightseeing early on the 21st (Thu) to allow enough time to travel back home.