2Neglecting to Book Popular Attractions in Advance
Some travelers love spontaneity, but showing up to must-see attractions without a ticket can mean standing in long queues—or being turned away entirely.
What to do instead: For places like the Colosseum, Anne Frank House, or Sagrada Familia, book online ahead of time. Many attractions offer “skip the line” passes or timed entry, which can help you avoid hours of waiting.
