United Airlines is adding 18 new routes, boosting service to cities including Cleveland; San Francisco; New York; Washington, D.C.; Tampa, Fla.; and Denver. "These new routes demonstrate our continued commitment to offer our customers more choices than any other airline," said Ankit Gupta, United's vice president for domestic network planning.

Accor's MGallery brand is coming to the US as the company makes the 21c Museum Hotels brand part of MGallery. "The 21c brand is the perfect complement to MGallery's concept of bespoke, creative hospitality for lovers of travel, the arts and immersive experiences," said Yohan Amiot, the vice president of brand management for MGallery.

JetBlue Airways' phase two redesigned Airbus A320 aircraft feature 18-inch-wide seats with adjustable headrests, 10-inch seatback screens, an expanded library of movies and games plus ViaSat-2 Wi-Fi that works over oceans. About a third of JetBlue's Airbus 320 fleet will be updated by the end of the year.

The Trivial Pursuit Hotel near Moscow determines both bookings and the quality of accommodations by performance of customers on quizzes. Hasbro and the Leo Burnett Moscow ad agency are behind the venture, which will operate May 20-June 14.

Guests can raise glass garage-style doors to welcome the outdoors in 20 rooms of the Source Hotel in Denver. Those seeking more sunshine and fresh air can take in the hotel's rooftop restaurant and hot and cold pools.

Tennessee's Blackberry Mountain wellness resort opened in February with 36 rooms and a spa. Activities include hiking, mountain biking and aerial yoga.

To maximize your social media engagement efforts, discuss travel dreams with your online fans, according to Passport Online. "You have to humanize your brand, and create content that allows fans to have back-and-forth comments with you," Jeanne Colombo of Passport Online said.