At over 12,000 feet, Mount Cook, also called Aoraki, is the highest point of which country?

Once a game show host on "Concentration," who is better known as a longtime host of ABC's "20/20"? Before becoming first lady of the United States, who was first lady of Texas from 1995 to 2000? At one time, actress Tippi Hedren was which actor's mother-in-law? The sail-shaped Burj Al Arab hotel, more than 1,000 feet tall, stands in which United Arab Emirates city? Cóndor station, at over 15,000 feet one of the highest railway stations in the world, is in which South American countr… At over 17,000 feet, Mount Kenya is surpassed only by which other peak as the highest in Africa? At more than 3.5 million square miles, which desert covers an area larger than Australia? At more than 36,000 feet deep, which Pacific trench holds the deepest spot on Earth?