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

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.

Rising from the sands of the Egyptian desert is one of the ancient world's greatest wonders—the mighty Sphinx.