New York's Lost Ash Dump

Wisconsin's Weird "Infinity Room" Explained | The House on the Rock

California's Dangerous Capitola Village Situation

What Happened to This Runaway Train?

Why The Mississippi River Bridge Collapsed

Why the Railplane Totally Failed

Why Chicago Razed The First Skyscraper | The Field Building

New York’s Lost Subway Entrances

Brooklyn's Forbidden Armory | 13th Regiment Explained

New York's Liberty Island was a Military Fort

Why New York's Plum Island is Totally Forbidden

Atlanta's Underground Zero Mile Explained | ABANDONED

New York’s Longest Bridge | Verrazano Narrows

Chicago's Secret Pedestrian Tunnel System Explained

New York's Busiest Bridge | The George Washington Bridge

The Rise and Fall of Illinois Central Railroad

New Jersey's Forbidden Peninsula | SANDY HOOK

Why The Aerotrain Totally Failed

Why Nike Bases Become Playgrounds

Florida's Sinkhole Problem

New Jersey’s Weird Beach Bunker Explained

Why Chicago Razed Riverview | LOST FOREVER

Chicago's Forgotten Monument | The Illinois–Indiana State Line Boundary Marker

LA’s Forbidden Pedestrian Tunnels

Why California Razed it's Ancient Redwood Forests

Why Pennsylvania's Skybus Totally Failed

Oregon City's Weird Municipal Elevator Explained

How Early Computers Hacked Secret Military Codes | The Original "Hackers"

Pittsburgh's Lost 'Igloo' | What went wrong?

Rise and Fall of the Pennsylvania Railroad