Ancient Hercules statue uncovered in Greece, 2,600-year-old cheese found in Egypt, 2,000-year-old Roman statues destroyed in the Vatican.

Pre-Inca mass grave discovered in Peru, evidence of ancient parties found on crannogs around the British Isles, 1,500-year-old mosaic unearthed in Israel.

Ancient Ho-Chunk canoe found in Wisconsin, Byzantine mosaic uncovered in Gaza, Bronze Age opium unearthed in Israel.

Jurassic vomit unearthed in Utah, possible tomb of Queen Nefertiti found in Egypt, Dead Sea Scroll fragment located in Montana.

Gold coins found under British couple's kitchen floor, 17th-century "vampire" unearthed in Poland, enormous dinosaur uncovered in Portuguese backyard.

Medieval folding chair unearthed in Germany, massive Roman phallus carving found in Spain, 800-year-old murder victims discovered in England.

Possible birthplace of Saint Peter found in Israel, historic UFO photo resurfaces in Scotland, Viking-age arrow uncovered in Norway.

Roman mosaic of Hercules found in Turkey, 500-year-old "goatelope" discovered in Austria, elite grave with 169 gold rings uncovered in Romania.

Historic woolly mammoth remains unearthed in New Mexico, Maya balls made of human ashes found in Mexico, ancient China's bronze recipe unlocked.

Taken by the likes of Rodney Alcala, Harvey Glatman, and the BTK Killer, these macabre photos show how some serial killers used photography to lure their victims and relive their horrifying crimes.