National Geographic's Best Places to Travel list includes cities like Bangkok and Los Angeles. Experts told us the best things to do there.

Popular places to visit include the Eiffel Tower, Palace of Versailles, Bordeaux, The Alps, French Riviera and Calanques ...

But the thing is, many tourist attractions are popular for a reason: They’re great. And to help quantify the best of the best, BookRetreats, a leader in retreat bookings, used data sets to ...