Amusement park technicians spot a section of broken roller coaster track.

An amphibious excavator battles melting ice that threatens to flood a town.

Experts reveal if it's now possible to build a modern Atlantis underwater.

Experts reveal if modern-day engineering could rebuild the Parthenon.

Experts discover if a modern version of the Titanic could be constructed.

Discover how aluminum foil, snowboards, contact lenses and bread are made.

Discover how compact discs, mozzarella cheese and pantyhose are made.

Discover how toothpicks, acrylic bathtubs, helicopters and beer are made.

At almost two miles, the Rion-Antirion Bridge is an engineering colossus.

The HMS Queen Elizabeth boasts a flight deck larger than two soccer fields.

Soaring more than 2,000 feet, the Shanghai Tower is a futuristic marvel.

Richard Hammond explores the biggest car factory in the world.

Advanced fireboats use cutting-edge technology to keep a US port safe.

Experts navigate the world's largest cruise ship through perilous waters.

A team of experts races to design, assemble and ship a bucket wheel dredge.

Journey to the M87 supermassive black hole and explore its mystery.