A:
The best Half-day Tours in London according to Viator travelers are:
- Best of London: Tower of London, Thames & Changing of the Guard
- The Premier Classic London: Private 4-Hour Tour in a Black Cab
- London's Palaces & Parliament Tour (See Over 20+ London Top Sights)
- Stonehenge Half-Day Tour from London with Admission
- London Vintage Bus Tour Including River Thames Cruise with Optional Lunch