20 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.

The Mob Museum and The Neon Museum will appeal to museum buffs. Get in touch with nature at Red Rock Canyon National Conservation Area and Adrenaline & Extreme Tours. Step out of Las Vegas to go to Henderson and see Clark County Heritage Museum, which is approximately 40 minutes away. Next up on the itinerary: wander the streets of The Strip, buy something for everyone on your list at Forum Shops at Caesars Palace, ponder the design of Bellagio Fountains, and see the interesting displays at Nostalgia Street Rods.

To find traveler tips, photos, where to stay, and tourist information, go to the Las Vegas itinerary builder website .

Rio de Janeiro, Brazil to Las Vegas is an approximately 18.5-hour flight. You can also do a combination of bus and flight; or do a combination of flight and bus. Due to the time zone difference, you'll gain 5 hours traveling from Rio de Janeiro to Las Vegas. In December, Las Vegas is cooler than Rio de Janeiro - with highs of 16°C and lows of 4°C. Wrap up your sightseeing by early afternoon on the 20th (Thu) to allow enough time to travel to San Francisco.

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

Head to Ferry Building Marketplace and City Lights Booksellersfor some retail therapy. Museum-lovers will appreciate Exploratorium and de Young Museum. Next up on the itinerary: step off the mainland to explore Alcatraz Island, take a leisurely stroll along Fisherman's Wharf, engage your brain at California Academy of Sciences, and explore the world behind art at Legion of Honor.

To find other places to visit, where to stay, maps, and tourist information, refer to the San Francisco sightseeing planning app .

Fly from Las Vegas to San Francisco in 4 hours. Alternatively, you can do a combination of flight and subway; or drive. Traveling from Las Vegas in December, you can expect nighttime temperatures to be somewhat warmer in San Francisco, with lows of 8°C. Wrap up your sightseeing on the 25th (Tue) to allow time to drive to Big Sur.

A sparsely populated area with stunning views, Big Sur attracts artists and tourists traveling California’s scenic Highway 1.

Get in touch with nature at Asilomar State Beach and Julia Pfeiffer Burns State Park. Get out of town with these interesting Big Sur side-trips: Henry Cowell Redwoods State Park (in Felton), Gilroy Premium Outlets (in Gilroy) and Pacific Grove Oceanview Boulevard (in Pacific Grove). There's lots more to do: enjoy the sand and surf at Pfeiffer State Beach, take some stellar pictures from Rocky Creek Bridge, hike along Partington Cove, and admire the sheer force of McWay Falls.

To see ratings, maps, traveler tips, and more tourist information, refer to the Big Sur trip itinerary planner.

You can drive from San Francisco to Big Sur in 3 hours. Alternatively, you can do a combination of flight and taxi; or do a combination of train and taxi. In December, plan for daily highs up to 19°C, and evening lows to 7°C. Wrap up your sightseeing on the 28th (Fri) early enough to travel 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.

Popular historic sites such as La Brea Tar Pits and Museum and El Pueblo de Los Angeles are in your itinerary. Get some cultural insight at The Getty Center and Griffith Observatory. Get out of town with these interesting Los Angeles side-trips: Santa Monica (Bergamot Station, Third Street Promenade, & more). There's still lots to do: get engrossed in the history at Autry Museum of the American West, kick back and relax at Venice Beach and Boardwalk, admire the majestic nature at Topanga State Park, and take in the waterfront at Santa Monica Pier.

For photos, maps, traveler tips, and other tourist information, you can read our Los Angeles attractions planner.

Traveling by combination of taxi and flight from Big Sur to Los Angeles takes 4 hours. Alternatively, you can drive; or do a combination of taxi and train. Prepare for somewhat warmer weather when traveling from Big Sur in December: high temperatures in Los Angeles hover around 24°C and lows are around 11°C. Wrap up your sightseeing on the 2nd (Wed) to allow time to travel back home.