London Icons
- Big Ben & Westminster: Gothic parliament buildings, iconic clock tower — exterior viewing free; guided tours bookable via UK Parliament website
- Tower of London: Historic fortress housing Crown Jewels, Beefeater tours — book timed tickets online to skip queues
- Buckingham Palace: Official royal residence — Changing of the Guard ceremony (free, daily 11 AM summer); State Rooms open Aug-Sep
- London Eye: Giant observation wheel with panoramic city views — book skip-the-line tickets online for best value
- Tower Bridge: Victorian engineering marvel with glass-floor walkways — exhibition included with ticket
Most London landmarks are accessible via Tube. For complete UK trip planning, see our full UK travel guide.