A deadly explosion strikes at the heart of the small Texas town of West and leaves the community in ruins; experts use the latest science to investigate and uncover a nearby fertilizer plant containing volatile chemicals poised for disaster.

The construction of a new parking garage in 2007 at a luxury waterside condo turns disastrous as it collapses in Jacksonville, Florida; experts use the latest tech to investigate and uncover critical design flaws and unsupported lower levels.