Coming to an agreement about where to go on a honeymoon may be one of the loveliest decisions you'll make together when planning a wedding. Following the nuptials, newlyweds frequently find themselves nodding in agreement on one of these popular honeymoon destinations that begin with the letter "N." Nevada: Las Vegas and Lake Mead Honeymoon in Las Vegas for the spectacular stage shows, exceptional dining experiences and a glamorous honeymoon hotel suite. Toast one another above the lights of the Strip at the Cosmopolitan's rooftop bar, then be whisked away by limousine to Joël Robuchon Restaurant. This could be the moment to spring for Vegas' only three-star Michelin restaurant run by the world's most decorated chef. Come showtime, no matter which big name entertainers are in town, Cirque du Soleil displays its nightly magic onstage in several dazzling shows. In the morning, take a break from the glittering casino nightlife. A helicopter tour is a highlight of a day that can combine a boat cruise or jet skiing on the sparkling water at Lake Mead and a memorable walk across Hoover Dam. Cheers to Napa Valley Wine Country Post-wedding relaxation comes in the form of days filled with sunshine in Northern California's wine country. Picture biking and hiking through the vine-covered countryside, soothing thermal spas fed by natural springs, farm-to-table meals and wine tasting with tours at some of the world's most famous estates. Embark on a culinary adventure at Napa's acclaimed Meadowood Resort, spoil yourselves at one of the world's best spas at Solage in Calistoga, indulge in some bubbly served on the terrace at the Domaine Carneros château. Make more memories drifting over the idyllic scene in a hot air balloon, take to the trails on horseback or settle in for a ride on the antique Napa Valley Wine Train. Your Napa honeymoon can wind up in San Francisco, only 70 miles away. Quintessential New England in Nantucket Nantucket is an island of cobblestoned streets and gas lamps, church steeples, wide sandy beaches, picturesque lighthouses, shingled houses with pink cottage roses spilling over trellises and white picket fences. Distinctly historic in the most charming sense, Nantucket's remote location 30 miles out to sea has ensured that it remains that way. Fly in or arrive by ferry; bicycles are the best way to explore Nantucket. If you're planning a summer honeymoon, Nantucket is in high season, so book well ahead in one of the cozy inns or splurge on accommodation at White Elephant with its own grassy lawn leading onto the beach by the harbor. Take a picnic and a blanket to await sunset at west-facing Madaket Beach, a romantic setting not to be missed. So Nice They Named it Twice: NY, NY Everyone should see the Big Apple, and most people who have seen it want to re-live the experience. Come to the city that never sleeps in any season. In summer, grab an oar for a rowboat on Central Park's lake. In winter, twirl on the ice under the giant Christmas tree at Rockefeller Center. All year-round, see a hit Broadway show, explore the treasures of the Metropolitan Museum of Art, take a boat ride around Manhattan. You can even plan your own romantic "Sleepless in Seattle" moment atop the open-air deck on the 86th floor of the Empire State Building, where a roving saxophonist takes song requests between 9 p.m. and 1 a.m. every Thursday, Friday and Saturday night. Head Over Heels for Niagara Falls What's not to love? Honeymooners have been spending time ogling the majesty of Niagara Falls for decades. Spectacular by day and illuminated by night, the falls are thrilling to see any time. A fireworks display lights up the sky every Friday and Sunday at 10 p.m. from May through November, with more dates during the winter holiday period. Waterproof ponchos are provided for the quintessential Maid of the Mist boat ride, where many a couple has orchestrated a good luck kiss as they pass right under one of the world's largest waterfalls. For an aerial view, take a helicopter tour high above the mighty falls. Bring a passport, too, as you can easily spend a day or more on the Canadian side of Horseshoe Falls for a honeymoon in two countries. If you're bolting on a city break, Niagara Falls is about 400 miles from both Montreal and New York City.