Can You Go on Vacation, Leave Your Phone Home?

FORTUNE -- Michelle Lee, a tax partner at PwC in New York City, has a bucket list. She wants to visit 100 countries by the time she's 60. So far, she's taken vacations in 65 of them — including a journey to the Galapagos Islands and Machu Picchu, and a shark-diving expedition off the South African coast. This year's plan: A week-long sojourn to Bali in November, complete with surfing lessons.