Egypt's Wadi Al-Hitan — or "Valley of the Whales" — is famous for its abundance of fossils from the Eocene epoch.

An Emboldened Trump Talks of Taking Greenland and Panama Canal by Force In a rambling news conference from his private Florida club, President-elect Trump refused to rule out using military force ...

The spiraled tusk juts from the head and can grow as long at 10 feet. Unlike some whale species that migrate, narwhals spend their lives in the Arctic waters of Canada, Greenland, Norway and Russia.