FACTUAL RIDDLES XLVI

1. What country has the most museums per capita?
2. Whose pictures are on the $500, $1,000, and  $5,000 bills?
3. What do you call the conceptual barrier between the stage and audience?

Answers:

1. With more than 200 museums, Israel has the highest number of  museums per capita of any country in the world.

2. $500 - William McKinley
    $1,000 - Grover Cleveland
    $5,000 - James Madison
    
3. The fourth wall