Mega Engineering: Tunnel Boring Machines
This clip from Discovery Channel's "Mega Engineering" analyzes the possibility of digging a transcontinental tunnel below the floor of the Bering Sea using gigantic tunnel boring machines.
Most Watched in Buildings & Structures
Build It Bigger: Vegas Animation 3
Electrical and data cables are covered by easy-to-move steel floor panels that make the system accessible no matter what the configuration of tables, slot machines, etc., at the Palazzo casino. See this animation from "Build It Bigger."
Really Big Things: Dredge Jadwin
On Discovery Channel's "Really Big Things," The Army Corp of Engineers has built a super-dredger in order to clear the Mississippi River for cargo ships.
Assignment Discovery: The Detroit Windsor Tunnel
The Detroit-Windsor Tunnel was built below the Detroit River and it connects Michigan and Canada. Learn more about the Detroit-Windsor Tunnel and its construction on Discovery Channel's "Assignment Discovery."
Extreme Engineering: Tilted Concrete Columns
The secret of the Madrid Space Tower is the tilted concrete columns. In this video from Discovery Channel's "Extreme Engineering, watch as the team angles them precisely into position to create this special construction.
Extreme Engineering: Air Resistance
Would a train traveling inside the transatlantic tunnel be limited to move at a certain speed because of air resistance? The problem of air resistance inside a tunnel is examined on Discovery Channel's "Extreme Engineering."
Recent Videos in Buildings & Structures
Earth 2050: What is the City of the Future?
Architecture critic and writer Paul Goldberger discusses what makes cities so vibrant and livable, and how tomorrow's cities will reflect the past but show us the way to the future in this extended interview from "Earth 2050".
Earth 2050: Searching for Utopia
From the beginning of history, mankind has dreamed of a Utopian civilization. Will a new city, currently under construction in the Arabian desert, fulfill the promise of a perfect city of the future?
Big, Bigger, Biggest: Lock
What is a lock? Did you know that it is one of the most powerful engineering technology inventions that is used everyday?
The Rising: September 11 Museum
Alice Greenwald, Director of the National September 11 Museum, offers a first look at the artifacts and objects chosen to be displayed once construction is finished. She also shares her perspective on what makes this museum so truly unique.
Build It Bigger: Design of Al Hamra
The Al Hamra Tower is one of the largest skyscrapers in the world. Unlike any other skyscrapers, it is the only one with a design that was truly inspired by its environment.
Build It Bigger: Rebuilding the Levees
Prior to Hurricane Katrina, levees were the only line of defense the residents of New Orleans had against flooding. Now, builders are looking to create the largest surge barrier in the world, changing the way New Orleans fights hurricanes.