When it comes to synonyms for the phrase "men's adventure," there are several options to consider. One possible phrase that captures the essence of this concept might be "rugged escapades." This term conjures up images of daring exploits in the great outdoors, from scaling mountains to navigating treacherous whitewater rapids. Another synonym might be "macho quests," which suggests a certain level of competitiveness and bravado. Other possible options might include "action-packed journeys," "daring expeditions," or "bold adventures." Ultimately, the choice of synonym will depend on the specific connotations that one wishes to convey.