Explosive experts Dr. Braden Lusk and Dr. Paul Worsey travel the globe to see how the biggest demolitions are done, and how they could be done better; Braden visits the blast sites of two steel structures in Liverpool.

Dr. Lusk travels to Coral Gables, Florida, for the demolition of the Ponce De Leon Towers, a building made of two materials that react differently to explosives; Jim Redyke must get both materials to topple simultaneously, and in the same direction.

Dr. Lusk travels to Coral Gables, Florida, for the demolition of the Ponce De Leon Towers, a building made of two materials that react differently to explosives; Jim Redyke must get both materials to topple simultaneously, and in the same direction.

Paul Lusk travels back to Glasgow, Scotland, where explosive engineers are attempting to demolish two high-rise towers that sit less than 25 feet from a major commuter rail line.