London

• Madame Tussaud's
• London Eye
• Tower of London
• Globe Theater?/Bridge nearby
• Hop on Hop off open top bus tour

UK Van Tour

• Stonehenge
• Edinburgh
• Glasgow
• Dublin
• Belfast
• Galway
• Cliffs of Moher
• Giant's Causeway

Italy:

• Colosseum tour
• DaVinci Museum
• Hadrian's Villa
• Vigamus Italian Game Museum
• Vatican
• Pope on Sundays@Noon or Wednesdays Papal Audience @ 10am (be early)

Amsterdam

• Anne Frank House

Croatia-

• Dubrovnik
• Split
• Plitvice Lakes National Park (on way to next place-Prague?)

Greece-

• Santorini
• Athens