Michele Miscavige, the wife of Scientology leader David Miscavige, hasn't been seen in more than a decade. There's plenty of cause for concern.

Ancient sunken road discovered near Croatia, Stone Age dagger found in Norway, mass grave from 7,000 years ago unearthed in Oman.

Viking ship uncovered in Norway, sunken hospital discovered in Florida, Roman treasure unearthed in Italy.

Maya temple filled with human sacrifices found in Mexico, ancient necropolis unearthed in Paris, 1,800-year-old ritual mask uncovered in Japan.

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.