A project planned for Bricktown in downtown Oklahoma City has drawn worldwide attention, thanks to the promised construction of what would be the tallest skyscraper in the United States. However, the ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Nature seems to ...

Topsail Island was once the site of a top-secret military project called Operation Bumblebee. The U.S. Navy project developed and tested experimental ramjet missiles from 1946 to 1948. Several ...

EDITOR’S NOTE: This CNN series is, or was, sponsored by the country it highlights. CNN retains full editorial control over subject matter, reporting and frequency of the articles and videos within the ...