The custom of sending cards, flowers, chocolates and gifts on Valentine's Day originated in which country?

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Who painted the Sistine Chapel ceiling?

What city is home to the Shukhov Tower?

Limnology is the study of what?

What astronomical unit of distance equals about 5.88 trillion miles?

What Hanna-Barbera cartoon character was always causing trouble for Ranger Smith?

On the "Abbey Road" album cover, which member of the Beatles is on the far left?

What show debuted in 1963 and became the longest running sci-fi series?

Who plays Adam Sandler's boss in the 2006 film "Click"?

In the TV show "The Simpsons', what is the name of Apu's wife?

What TV show featured the fictional "The Water Buffaloes" fraternity?

In what city did Rosa Parks refuse to move to the back of the bus?

For what purpose did George Washington Carver originally encourage farmers to grow peanuts?

Who was the first person to receive an artificial heart implant?

The "Turbot War" was a fishing dispute between Canada and what other country?

Who was Cesare Borgia's father?