Retirement, for many older adults, opens the door to more travel. Global surveys show most retirees still see travel as one of life's great rewards.
A recent study by Swiss-based travel specialists Firebird Tours looked at different countries and ranked them on factors that matter most to older travelers. These include senior discounts, walkability, healthcare quality, safety, and cultural depth, among others.
Based on their results, this gallery reveals 15 destinations crowned the best places for retirees and seniors to travel to. Click on to discover which countries make the list.