This is the chemical symbol for iron.
What is Fe?
This zodiac constellation is symbolized by a lion.
What is Leo?
This winged horse sprang from the blood of Medusa.
What is Pegasus?
This national park in the United States is home to Old Faithful, a famous geyser.
What is Yellowstone national park?
This was the first human-made object to orbit the Earth, launched in 1957 by the Soviet Union.
What is Sputnik 1?
This gas makes up about 78% of the Earth's atmosphere.
What is nitrogen?
This constellation is named after a winged horse from Greek mythology.
What is Pegasus?
This underworld river is known as the River of Souls.
What is the Styx?
This fortress in Russia, located in Moscow, houses the country's government.
What is the Kremlin?
This space probe was the first to reach interstellar space in 2012.
What is Voyager 1?
These animals are the only mammals capable of true flight.
What are bats?
This constellation is shaped like a dragon and wraps around the Little Dipper.
What is Draco?
The Trojan War was fought over this woman.
Who was Helen of Troy?
This famous prehistoric monument in England is composed of massive standing stones arranged in a circle.
What is Stonehenge?
This woman was the first to fly solo across the Atlantic Ocean in 1932.
Who is Amelia Earhart?
Animals that are active at night are described with this term.
What is nocturnal?
This constellation, also known as the "Water Bearer," is one of the zodiac signs.
What is Aquarius?
This Titan was chained and punished for giving fire to humanity.
Who was Promethius?
This ancient city in Jordan is famous for its rock-cut architecture and is also called the "Rose City."
What is Petra?
This document, signed in 1215, is considered the first step toward constitutional government.
What is the Magna Carta?
The hottest planet in the solar system is this, due to its thick atmosphere trapping heat.
What is Venus?
This zodiac constellation is symbolized by a pair of twins.
What is Gemini?
The one-eyed Norse god of wisdom is known as this.
Who was Odin?
This archaeological site in Greece is often called the birthplace of democracy.
What is the Acropolis of Athens?
The first skyscraper, the Home Insurance Building, was built in this U.S. city in 1885.
What is Chicago?