Things I wish I knew BEFORE visiting London: •You must apply for the UK ETA (tourist visa) at least 3 days before your trip. •You can use a credit card or Apple Pay at the Tube stations, but the Oyster card protects your cc number from getting stolen. •The London Pass can be worth it if you’re planning to visit popular tourist attractions, but price it out first. •The best view of Big Ben & Westminster Palace are from across Westminster Bridge. •Don’t skip the museums, they are free! •Don’t book