What gate does the three-headed dog Cerberus guard?

More Questions:

Who created the icy treat better known as "popsicle"?

Sweetbread is derived from what organ?

The first Atari console retailed for how much?

What is the flower that stands for "a heart ignorant of love"?

Grand Mesa is located in which US state?

What name is shared by the rivers that run through Denison, Texas and Hanoi, Vietnam?

Budapest is the capital of which European country?

What English city was once known to the Romans as Venta Belgarum?

What is Elton John's real name?

Which main character dies in the 2014 movie "The Amazing Spider-Man 2"?

What 1972 comedy begins with "Once upon a time there was a plaid overnight bag"?

Taking advantage of a fad at the time, what song became a #1 hit for Ray Stevens in 1974?

Who released the 1970's album entitled "Trans-Europe Express"?

In what country was Albert Einstein born?

Sapphires are typically what color?