Until an earthquake in 226 BCE knocked it down, the Colossus of Rhodes, a 98-foot-high iron and bronze statue of the Greek god Helios, sat near the harbor of Rhodes, Greece, for 54 years. Now, a plan put forth by a small team of scientists seeks to rebuild the ancient statue and boost tourism and local jobs in the process. The plan calls for a a new statue that's way taller than the ancient one. At 400 feet tall, the new Helios would be nearly four times the height of the original. The proposal also includes an interior library, museum,...