In Western Europe alone, there are 50,000 stone structures, with Stonehenge being the most famous. But ancient stone structures aren’t restricted to one continent–they’ve been discovered all over the globe. A brand-new Secrets: Underwater Stonehenge airs tonight at 8 PM. | Smithsonian Channel

An archaeological team tracing the movement of the 333rd infantry division during the final days of World War II, stumble on a startling and exciting discovery: a piece of rusted metal that may have come from a Howitzer M1. 🎥WWII By Drone | Smithsonian Channel Aviation Nation

The Smithsonian's massive collection boasts over 147 million specimens, but only 1% is on display. #Museum #Smithsonian #History | Insider Science

The Smithsonian Natural History Museum houses 147 million specimens — everything from pickled animals to priceless gems to dinosaur bones. But less than 1% of it's on display. The rest is hidden behind the scenes in what's called collections. But they're not just sitting in storage rooms collecting dust. The specimens are actively used for scientific research with real-world benefits, from preventing bird strikes to documenting invasive species. We went inside the collections to see how they acq