15 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.

Start off your visit on the 3rd (Tue): get to know the fascinating history of World Trade Center Memorial Foundation and then pause for some photo ops at 9/11 Memorial.

To see photos, where to stay, reviews, and other tourist information, refer to the New York City tour itinerary planner .

Dublin, Ireland to New York City is an approximately 11-hour combination of flight and bus. You can also fly; or do a combination of flight and train. The time zone difference moving from Greenwich Mean Time to Eastern Standard Time is minus 5 hours. Prepare for somewhat warmer weather when traveling from Dublin 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 (Wed) early enough to travel to Chicago.

A huge and vibrant city, Chicago is home to top-notch theaters, shops, museums, galleries, and restaurants.

Start off your visit on the 5th (Thu): appreciate the extensive heritage of Millennium Park, explore the world behind art at The Art Institute of Chicago, then contemplate the long history of Frank Lloyd Wright Home and Studio, then get engrossed in the history at Ernest Hemingway Birthplace, and finally take in the spiritual surroundings of Fourth Presbyterian Church.

To find maps, where to stay, traveler tips, and tourist information, read Chicago journey builder tool .

Getting from New York City to Chicago by combination of bus and flight takes about 5 hours. Other options: fly; or drive. You'll gain 1 hour traveling from New York City to Chicago due to the time zone difference. Plan for a bit cooler nights when traveling from New York City in September since evenings lows in Chicago dip to 19°C. Finish up your sightseeing early on the 5th (Thu) so you can travel to Grand Canyon National Park.

The size, shape, and color of Grand Canyon National Park combine to leave an impression on visitors as deep as the canyon itself.

Visiting Rim Trail and Grand Canyon South Rim will get you outdoors. On the 7th (Sat), hike the day away at Bright Angel Trail. Next up on the itinerary: hike along South Kaibab Trail, get great views at Powell Point, and explore the stunning scenery at Yavapai Point.

To find more things to do, reviews, other places to visit, and tourist information, go to the Grand Canyon National Park trip itinerary planning website .

You can do a combination of flight and bus from Chicago to Grand Canyon National Park in 10.5 hours. Other options are to do a combination of flight, shuttle, and bus; or drive. Traveling from Chicago to Grand Canyon National Park, you'll gain 1 hour due to the time zone difference. Traveling from Chicago in September, you can expect nighttime temperatures to be little chillier in Grand Canyon National Park, with lows of 7°C. Finish your sightseeing early on the 8th (Sun) to allow enough time 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.

On the 9th (Mon), get a taste of the local shopping with The Strip, admire the local landmark of Bellagio Fountains, and then examine the collection at The Mob Museum.

For more things to do, traveler tips, maps, and other tourist information, go to the Las Vegas trip site .

You can do a combination of flight and car from Grand Canyon National Park to Las Vegas in 4.5 hours. Alternatively, you can drive; or take a shuttle. The time zone difference when traveling from Grand Canyon National Park to Las Vegas is minus 1 hour. When traveling from Grand Canyon National Park in September, plan for somewhat warmer days and much hotter nights in Las Vegas: temperatures range from 39°C by day to 25°C at night. Wrap up your sightseeing on the 9th (Mon) to allow time to travel 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 10th (Tue): take in the views from Golden Gate Bridge, then contemplate the long history of SS Jeremiah O'Brien, then take a leisurely stroll along Fisherman's Wharf, and finally head off the coast to Alcatraz Island. Get ready for a full day of sightseeing on the 11th (Wed): kick back and relax at Marshall’s Beach, kick back and relax at China Beach, and then take your sightseeing to a higher altitude at Twin Peaks.

For other places to visit, more things to do, traveler tips, and other tourist information, read San Francisco trip itinerary builder site .

Getting from Las Vegas to San Francisco by flight takes about 4 hours. Other options: do a combination of flight and subway; or drive. Plan for little chillier temperatures traveling from Las Vegas in September, with highs in San Francisco at 28°C and lows at 17°C. Wrap up your sightseeing on the 11th (Wed) to allow time to drive 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.

Escape the urban bustle at Cathedral Beach Picnic Area and Tuolumne Meadows. And it doesn't end there: explore the striking landscape at Glacier Point, make a trip to Olmsted Point, stroll through Four Mile Trail, and hike along Lembert Dome.

For more things to do, reviews, traveler tips, and other tourist information, use the Yosemite National Park tour planner .

Traveling by car from San Francisco to Yosemite National Park takes 4 hours. Alternatively, you can do a combination of flight and car; or do a combination of subway, flight, bus, and taxi. Traveling from San Francisco in September, plan for colder nights in Yosemite National Park, with lows around 3°C. Finish your sightseeing early on the 14th (Sat) so you can travel to Yellowstone National Park.

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

Start off your visit on the 15th (Sun): witness a stunning natural landmark at Old Faithful, hike along Artist Point, and then take in breathtaking views at Grand Canyon of the Yellowstone. Here are some ideas for day two: explore the striking landscape of Yellowstone National Park.

To find reviews, photos, other places to visit, and more tourist information, read Yellowstone National Park day trip app .

Do a combination of car and flight from Yosemite National Park to Yellowstone National Park in 10 hours. Alternatively, you can do a combination of taxi, bus, flight, and car; or do a combination of bus, flight, and car. Traveling from Yosemite National Park to Yellowstone National Park, you'll lose 1 hour due to the time zone difference. Prepare for a bit cooler weather when traveling from Yosemite National Park in September: high temperatures in Yellowstone National Park hover around 18°C and lows are around 0°C. Cap off your sightseeing on the 16th (Mon) early enough to travel back home.