20 days in United States Itinerary

Eschew the tourist crowds and head to The Met Cloisters and Brooklyn Heights Promenade. Museum-lovers will get to explore The Metropolitan Museum of Art and The Museum of Modern Art (MoMA). Explore New York City's surroundings by going to Lakota Wolf Preserve (in Columbia) and The Raptor Trust Center (in Millington). There's still lots to do: stop by Greenwich Village, walk around World Trade Center's Liberty Park, take in the pleasant sights at Times Square, and see the interesting displays at New York Public Library.

To see reviews, traveler tips, where to stay, and more tourist information, use the New York City trip planner.

Geneva, Switzerland to New York City is an approximately 12-hour flight. You'll gain 6 hours traveling from Geneva to New York City due to the time zone difference. Traveling from Geneva in May, expect a bit warmer with lows of 15°C in New York City. Wrap up your sightseeing on the 21st (Tue) to allow time to fly to Niagara Falls.

Kick off your visit on the 21st (Tue): contemplate in the serene atmosphere at St Joseph's Cathedral, take in the dramatic scenery at Bridal Veil Falls, trek along Niagara Wine Trail USA, then see the interesting displays at Niagara Power Project Visitors Center, and finally trek along Niagara Gorge Trail.

To find traveler tips, ratings, and more tourist information, read our Niagara Falls trip itinerary maker tool.

Getting from New York City to Niagara Falls by flight takes about 3 hours. Other options: drive; or take a bus. Plan for a bit cooler nights when traveling from New York City in May since evenings lows in Niagara Falls dip to 11°C. Wrap up your sightseeing on the 21st (Tue) early enough to fly to Los Angeles.

You'll enjoy a bit of beach vacationing at Salt Creek Beach and Redondo Beach. Your inner history buff will appreciate Venice Canals Walkway and Ocean Avenue. Explore the numerous day-trip ideas around Los Angeles: Laguna Beach (Crystal Cove, 1,000 Steps Beach, &more) and Malibu (El Matador State Beach & The Getty Villa). There's much more to do: see the interesting displays at The Getty Center, explore the world behind art at Los Angeles County Museum of Art, take a leisurely stroll along Santa Monica Pier, and get a new perspective on nature at La Brea Tar Pits and Museum.

To find traveler tips, reviews, ratings, and more tourist information, refer to the Los Angeles trip builder website.

Traveling by flight from Niagara Falls to Los Angeles takes 6.5 hours. Alternatively, you can drive; or take a bus. The time zone difference moving from Eastern Standard Time (EST) to Pacific Standard Time (PST) is minus 3 hours. Traveling from Niagara Falls in May, you can expect nighttime temperatures to be a bit warmer in Los Angeles, with lows of 17°C. Finish your sightseeing early on the 25th (Sat) so you can fly to Honolulu.

Kick off your visit on the 26th (Sun): explore the different monuments and memorials at USS Arizona Memorial, see some colorful creatures with a scuba or snorkeling tour, kick back and relax at Lanikai Beach, then walk around Waimanalo Beach, and finally hike along Koko Crater Railway Trail. Here are some ideas for day two: examine the collection at USS Bowfin Submarine Museum & Park, see the interesting displays at Pearl Harbor Aviation Museum, then admire the verdant scenery at Waimea Valley, then enjoy the sand and surf at Shark's Cove, and finally enjoy the sand and surf at Laniakea Beach.

To see reviews, maps, and other tourist information, you can read our Honolulu day trip planner.

You can fly from Los Angeles to Honolulu in 7 hours. The time zone difference moving from Pacific Standard Time (PST) to Hawaii-Aleutian Standard Time (HST) is minus 2 hours. In May, Honolulu is a bit warmer than Los Angeles - with highs of 34°C and lows of 25°C. Wrap up your sightseeing on the 28th (Tue) to allow time to fly to Las Vegas.

On the 28th (Tue), examine the collection at Shelby American Inc, see American Adventure Tours, and then take a stroll through The Strip. Keep things going the next day: take in breathtaking views at Red Rock Canyon National Conservation Area, examine the collection at Counts Kustoms, examine the collection at Madame Tussauds - Las Vegas, then wander the streets of The LINQ Promenade, and finally examine the collection at The Neon Museum.

To find traveler tips, reviews, ratings, and other tourist information, read our Las Vegas sightseeing planner.

You can fly from Honolulu to Las Vegas in 8 hours. The time zone changes from Hawaii-Aleutian Standard Time to Pacific Standard Time, which is usually a 2 hour difference. Traveling from Honolulu in May, you can expect nighttime temperatures to be a bit cooler in Las Vegas, with lows of 20°C. Wrap up your sightseeing on the 30th (Thu) early enough to travel to Grand Canyon National Park.

On the 31st (Fri), explore the stunning scenery at Inner Canyon and then take in breathtaking views at Yavapai Point.

For traveler tips, where to stay, other places to visit, and more tourist information, read Grand Canyon National Park trip tool.

Explore your travel options from Las Vegas to Grand Canyon National Park with the Route module. The time zone changes from Pacific Standard Time to Mountain Standard Time, which is usually a 1 hour difference. Expect a bit cooler weather when traveling from Las Vegas in May: highs in Grand Canyon National Park hover around 23°C, while lows dip to 0°C. Wrap up your sightseeing by early afternoon on the 31st (Fri) to allow time for travel to Yosemite National Park.

Kick off your visit on the 1st (Sat): hike along May Lake Trailhead, explore the striking landscape at Cloud's Rest, contemplate the waterfront views at Mirror Lake/Meadow Trail, take in the dramatic natural features at Glacier Point, then explore the striking landscape at Sentinel Dome, and finally explore the wealth of natural beauty at Swinging Bridge Picnic Area Yosemite National Park CA. Here are some ideas for day two: admire the sheer force of Vernal Fall, look for all kinds of wild species at Nature Center at Happy Isles, admire the sheer force of Yosemite Falls, take some stellar pictures from Valley View, then view the masterpieces at Ansel Adams Gallery, and finally get great views at Yosemite, Tunnel View.

To see ratings, where to stay, photos, and tourist information, read our Yosemite National Park route planning app.

Explore your travel options from Grand Canyon National Park to Yosemite National Park with the Route module. Traveling from Grand Canyon National Park to Yosemite National Park, you'll gain 1 hour due to the time zone difference. While traveling from Grand Canyon National Park, expect slightly colder days and about the same nights in Yosemite National Park, ranging from highs of 30°C to lows of 7°C. Wrap up your sightseeing on the 2nd (Sun) early enough to travel to San Francisco.

Start off your visit on the 3rd (Mon): contemplate the long history of Alcatraz Island, steep yourself in history at SS Jeremiah O'Brien, examine the collection at Musee Mecanique, then buy something for everyone on your list at Ferry Building Marketplace, then take in the spiritual surroundings of Grace Cathedral, and finally take in the views from Golden Gate Bridge. On your second day here, indulge your senses at some of the top wineries in the area.

For where to stay, other places to visit, and more tourist information, read San Francisco trip itinerary app.

Explore your travel options from Yosemite National Park to San Francisco with the Route module. Traveling from Yosemite National Park in June, expect nights in San Francisco to be a bit warmer, around 15°C, while days are a bit cooler, around 25°C. Wrap up your sightseeing on the 4th (Tue) early enough to fly back home.