1. With the destruction of London Bridge under consideration, the famed river spanner was purchased and moved. Where can the reproduced London Bridge be seen?

2. London Bridge's reproduction is the second most visited tourist site in that state. What site is the No. 1 most visited?

3. His name is included as part of the name of an automobile, and his initials were used as the name of another car. Name him.

4. What is the official name of the FBI building in Washington?