In the middle of Lake Union sits a grayish barge, framed by Seattle’s skyline and cloudy skies. The vessel’s surface appears unassuming, but on the inside lies almost 11,000 pounds of fireworks.

Add Yahoo as a preferred source to see more of our stories on Google. Butte's 3rd of July Fireworks will feature a massive 12-inch shell, lighting up the sky 1,500 feet high. A dedicated crew prepares ...

A behind-the-scenes look at fireworks displays and the safety reasons certain shells aren’t used, highlighting careful ...

Even TV events with built-in dramatic explosions get a bigger boom with a returning star. NBC's 49th annual Macy’s 4th of July Fireworks viewing party on July 4 (8 ET/PT, and streaming live on Peacock ...