Antigua GuatemalaConsistently the top recommendation for visitors, and worth allowing a half day rather than squeezing it between other stops.
Local culture beyond the checklistChichicastenango Market and Guatemala City's museums are where Guatemala City feels least like a tourist itinerary and most like the actual city.
A well-known second stop: the Central Park and CathedralRounds out a first visit nicely alongside the bigger-name sights.
Easy onward travelGuatemala City's transport connections make it simple to extend the trip into the rest of Guatemala if you have the time.