19 Countries Off Limits for American Travelers: What You Should Know

14. Cuba: Persistent Diplomatic Strain & Visa Limitations

Why it's Restricted: Cuba continues to face restrictions, impacting various visa types for its citizens. This is a reflection of persistent, strained diplomatic relations between the two countries, which continues to affect both Cuban nationals seeking to immigrate or study in the U.S., as well as those looking to visit family or engage in cultural exchange programs.