My husband and I loved the museum. It's very well put together and interesting, and helps you envision what life must have been like and how much Ireland has changed in such a short time.

"When in Rome, do as the Romans." That classic advice leads to a wealth of options: Should you follow Augustus and Caesar, whose Rome is filled with spectacular ancient structures?

For a bird's-eye view of London, take a spin on the London Eye, the Ferris wheel overlooking the Thames. Don't miss landmarks like Big Ben, the Tower of London, St. Paul's Cathedral and the Globe Theatre.