Season 6

1. Demolition

2. The Atlantic Wall

3. History of Tall Buildings

4. Aquariums

5. Las Vegas Hotels.

6. The Oakland Bay Bridge.

7. Monumental Statues

8. Antibiotics: The Wonder Drugs

9. The Police Car

10. Plastics

11. Medical Imaging

12. Extreme Sports Gadgets

13. Bombs

14. Prosthetics

15. Weather Prediction

16. Stereos

17. Mail Delivery

18. Clocks

19. Airships.

20. Physical Fitness

21. Engineering Disasters

22. City Parks

23. Spy Technology

24. Battlefield Medicine

25. U.S. Mints: Money Machines

26. Rescue Equipment

27. Scuba And Deep Sea Diving

28. Offshore Oil Drilling

29. Dynamite.

30. Hoover Dam.

31. Baseball Parks

32. New York Bridges

33. Crash Testing

34. Parachutes

35. Newspapers

36. Fireworks

37. Simulators

38. The Tool Bench: Power Tools

39. The Tool Bench: Hand Tools

40. More Earthmovers.

41. Forts

42. Emergency Room

43. Motorcycles

44. Security Systems

45. More Engineering Disasters.

46. Niagara Power

47. Casino Technology

48. Lost Marvels