Experimental submarine from 1907 uncovered in Connecticut, hidden Bible chapter found in the Vatican, ancient Maya scoreboard unearthed in Mexico.

Lost 17th-century painting discovered in French family's home, evidence of prehistoric humans eating giant snails found in South Africa, 6,000-year-old shark hunting hook unearthed in Israel.

Ancient Roman cult room found in England, 1,800-year-old trash dump discovered in France, thousands of mummified animals unearthed in Egypt.

Roman megastructure found under a cemetery in France, zodiac paintings discovered in a temple in Egypt, Roman shrine uncovered in the Swiss Alps.

Iron Age remains found under cottage floor in Scotland, ancient comb made from human skull uncovered in England, disemboweled mummy discovered in Yemen.

Ancient sphinx unearthed in Egypt, Celtic figure with oversized phallus found in England, new moai statue uncovered on Easter Island.

Medieval crypt found beneath English vape shop, centuries-old mummy uncovered in Peruvian man's cooler bag, unknown early human groups discovered via prehistoric DNA.

Ancient brain surgery patient discovered in Israel, Civil War artillery shell uncovered at Gettysburg, 500-year-old medicine found in South Africa.

Medieval synagogue unearthed in Spain, Leonardo da Vinci's gravity sketches discovered, 500-year-old spice trove found.

Ancient tavern unearthed in Iraq, secrets of Impressionist masterpieces unlocked, Henry VIII pendant uncovered in England.