Workers carved the 700-ton Obelisks of Luxor from a single piece of red granite.

From Egypt to Greece, explore different solutions throughout history for constructing giant structures like obelisks and temples.

The death of one of history's most enigmatic rulers—Egypt's King Tutankhamun—remains shrouded in mystery 3,300 years later.

The Lighthouse at Alexandria was the first known lighthouse and stood for 1600 years on the coast of Egypt.