In 2016, which vessel became the first solar-powered aircraft to circumnavigate the Earth?

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Which country has been donating London's Trafalgar's Square's Christmas tree since 1947?

What year did the iPhone debut on the market?

In which country is the city Aachen located?

What is the name of the dragon in "The Hobbit"?

What famed object from mythology did the Venus de Milo hold in her now-missing left hand?

In which comic book series did Galactus first appear?

What is the capital of Comoros?

What city is located across the Columbia River from the city of Vancouver?

What is the hardest substance in the human body?

What fungus is used in making bread?

A bar that appears over a Roman numeral indicates what?

What actor was the executive producer of the mystery series "Push, Nevada"?

Which TV show used the song "Bad Reputation" by Joan Jett as its theme song?

The line "Heeere's Johnny!" comes from which movie?

In the TV show "The Simpsons', what is Krusty the Clown's real full name?