The smell of a freshly-baked chocolate croissant, the sound of waves crashing against the sand, these memories alone are enough to take you back to your favorite vacation. Oscar Reveles from Buzzfeed shares his most memorable trip, inspired by his grandma, while Tammy Snow, Expedia's Sr. Director of User Research, discusses how traveler research has shown us that memories aren’t just the result of vacation – they’re the reason we take trips in the first place.