CTV Nature

Counting down the most outrageous moments in "BattleBots" history.

Hammers; Swiss cheese; roller skates; colored pencils.

We find out how carbon fiber bicycles, blood products, forged chandeliers, ballpoint pens are manufactured.

An insight into how Swiss army knives, player piano rolls, racing wheels and oil tankers are produced.

Bowling balls; barber poles; felt; radar guns.

Mystery surrounds two 737 crashes until USAir Flight 427's near miss gives investigators the information to solve the case.

The world's largest serially manufactured cargo plane, the Antonov 124, was built to move Soviet military vehicles and equipment.

The C-5 Galaxy is the U.S. Air Force's largest and most powerful plane; follow its mission to Afghanistan.

This modified Boeing 707 is one of only two 707 tankers in the world that provide commercial air-to-air re-fueling to the American military.

The National Oceanic and Atmospheric Administration's hurricane hunting WP-3D Orion aircraft fly where other planes refuse to venture.

Travel with Donald Trump aboard his luxurious Boeing 757 on a transatlantic flight to the U.K.

A flexible cargo aircraft in the U.S. airlift force; the C-17 Globemaster III specializes in quick delivery of troops and all types of cargo.

SOFIA, the largest airborne observatory in the world, boasts a 17-ton telescope capable of making observations impossible for ground-based telescopes.

The Blue Angels run through their unique, specialized training.

The CP-140, a spy plane built to protect Canada and her coastlines from unseen enemies is upgraded with the latest technology.

The T-38 jet trainer is the ultimate test for any pilot wanting to join the world's elite club of fighter jet pilots.

The Canadian Air Force's CC-115 Buffalo is the go-to aircraft for search-and-rescue on the West Coast.

New York's Brooklyn Bridge might be the most important bridge in the world, and it took dangerous, cutting-edge engineering to built it; experts use the latest tech and modern-day science to reveal if building it a second time would be as deadly.

Rome's aqueducts are one of the greatest engineering marvels in history, and it took dangerous, cutting-edge construction to build them; experts use the latest tech and modern-day science to reveal if building them a second time would be as deadly.

According to the Bible, Noah's Ark was a world-changing engineering feat, and it took cutting-edge construction to build it; experts use the latest tech and modern-day science to reveal if building it a second time would be just as difficult.

New York's Brooklyn Bridge might be the most important bridge in the world, and it took dangerous, cutting-edge engineering to built it; experts use the latest tech and modern-day science to reveal if building it a second time would be as deadly.

Rome's aqueducts are one of the greatest engineering marvels in history, and it took dangerous, cutting-edge construction to build them; experts use the latest tech and modern-day science to reveal if building them a second time would be as deadly.

According to the Bible, Noah's Ark was a world-changing engineering feat, and it took cutting-edge construction to build it; experts use the latest tech and modern-day science to reveal if building it a second time would be just as difficult.

The world's largest serially manufactured cargo plane, the Antonov 124, was built to move Soviet military vehicles and equipment.

The C-5 Galaxy is the U.S. Air Force's largest and most powerful plane; follow its mission to Afghanistan.