Carlsbad Caverns.
Carlsbad Caverns in New Mexico has more than 100 caves. A large cave named "The Big Room" is almost 4,000 feet long, 625 feet wide, and 255 feet high at the highest point. It is the fifth largest chamber in North America and the twenty-eighth largest in the world.
Silver.
The answer is... The Gulf of Mexico
its in Australia not Mexico
Mexico City
Spain
The Hall of the Giants or the Big room is the largest cavern in New Mexico and one of the largest in the world. The cavern has 357,469 square feet of floor space and can be found in the Carlsbad Caverns at the Carlsbad Caverns National Park just a short way from Carlsbad, New Mexico.
Chihuahua
Yes; it is the third largest after Tokyo (Japan) and Seoul (South Korea).
Worlds largest animal: Blue Whale
The largest pyramid in the world is in Puebla, Mexico. The Great Pyramid of Cholula is 4.45 million m³. it is actually in Giza from lizzie if you are single and are looking for a hot girl email lizzieand_bec@hotmail.com
The world's largest pyramid by volume is the Great Pyramid of Cholula in Mexico. It is also known as Tlachihualtepetl and is located in the state of Puebla.