WHERE AM I?
Henry Hook
(Title shown below)

1. San Francisco Seveners
2. Sweet four birthday party
3. Try not to use two-letter words when you're angry.
4. Forty Pennsylvania Avenue - White House address
5. Benjamin Franklin's picture is on the ten-dollar bill.
6. It was the bottom of the third inning and the game was on the line.

Answer:

You are in square root land. The answers make sense when you square the numbers:

1. San Francisco 49'ers
2. Sweet 16
3. 4-letter words
4. 1600 Pennsylvania Avenue  
5. Benjamin Franklin is on the $100 bill
6. Bottom of the 9th inning

(Puzzle title: RADICAL CHANGES)