15 days in United States Itinerary

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

Las Vegas is known for nightlife, shopping, casinos, fun & games, and historic sites. Your plan includes some of its best attractions: get a taste of the local shopping with The Strip, try to win big at Paris Las Vegas, admire the natural beauty at Bellagio Conservatory & Botanical Gardens, and explore the stunning scenery at Red Rock Canyon National Conservation Area.

For ratings, reviews, where to stay, and more tourist information, you can read our Las Vegas route planner.

Boston to Las Vegas is an approximately 7-hour flight. You can also do a combination of bus and flight; or drive. The time zone difference moving from Eastern Standard Time to Pacific Standard Time is minus 3 hours. Traveling from Boston in December, things will get somewhat warmer in Las Vegas: highs are around 57°F and lows about 39°F. Finish your sightseeing early on the 19th (Thu) to allow enough time to drive 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.

Let the collections at Yavapai Geology Museum and Tusayan Museum capture your imagination. Visiting Grand Canyon South Rim and South Kaibab Trail will get you outdoors. There's still lots to do: hike along Bright Angel Trail, take an in-depth tour of Bright Angel History Room, take in breathtaking views at Yavapai Point, and get a dose of the wild on a nature and wildlife tour.

To see where to stay, more things to do, reviews, and tourist information, use the Grand Canyon National Park trip planner .

Traveling by car from Las Vegas to Grand Canyon National Park takes 4.5 hours. Alternatively, you can take a shuttle; or do a combination of flight and bus. You'll lose 1 hour traveling from Las Vegas to Grand Canyon National Park due to the time zone difference. Expect slightly colder weather when traveling from Las Vegas in December: highs in Grand Canyon National Park hover around 45°F, while lows dip to 15°F. Cap off your sightseeing on the 23rd (Mon) early enough to go by car to Los Angeles.

Surrounded by mountain ranges, forests, valleys, beaches, and deserts, the metropolitan area of Los Angeles is home to over 17 million people.

Kids will enjoy Disneyland Park and Griffith Observatory. Appreciate the collections at The Getty Center and Diorama-museum of Bhagavad-gita. You'll find plenty of places to visit near Los Angeles: Santa Monica (Shotgun House & Ocean Park Library). There's still lots to do: get to know the fascinating history of Santa Monica Pier, find something for the whole family at Universal Studios Hollywood, get a new perspective on nature at Natural History Museum of Los Angeles County, and take in the spiritual surroundings of Our Lady Queen of Angels.

Find out how to plan Los Angeles trip without stress by asking Inspirock to help create an itinerary.

Getting from Grand Canyon National Park to Los Angeles by car takes about 7.5 hours. Other options: do a combination of bus and flight; or do a combination of shuttle and flight. The time zone difference moving from Mountain Standard Time (MST) to Pacific Standard Time (PST) is minus 1 hour. Expect much warmer temperatures when traveling from Grand Canyon National Park in December; daily highs in Los Angeles reach 69°F and lows reach 49°F. Finish up your sightseeing early on the 27th (Fri) so you can go by car to San Diego.

Divided into neighborhoods with distinct characters and cultural heritages, San Diego sits just north of the Mexican border and offers visitors a blend of tourist attractions, including a lively nightlife, diverse cuisine, and a thriving musical scene.

We've included these beaches for you: La Jolla Cove and Children's Pool. Museum-lovers will get to explore USS Midway Museum and Maritime Museum of San Diego. There's still lots to do: learn about wildlife with up-close encounters at San Diego Zoo, contemplate the waterfront views at Scripps Institute of Oceanography Coastal Reserve, and appreciate the history behind Cabrillo National Monument.

For photos, reviews, ratings, and more tourist information, refer to the San Diego trip itinerary maker tool .

You can drive from Los Angeles to San Diego in 2.5 hours. Other options are to take a bus; or fly. In December, plan for daily highs up to 68°F, and evening lows to 51°F. Wrap up your sightseeing by early afternoon on the 31st (Tue) to allow time for travel back home.