Even well-known destinations can pose unexpected dangers—these are the places you should never visit alone.

Some destinations seem like a dream for solo travelers, but hidden dangers can turn a trip into a nightmare. From bustling cities to remote wilderness areas, certain places require extra caution when you’re on your own. Whether it’s a risk of crime, natural hazards, or cultural misunderstandings, these 12 destinations are best avoided without a companion.
Read on to find out why these seemingly safe spots may not be as secure as they look.