From land to sea to space, the world’s scientists are using incredible tools to uncover our planet’s history and tell us where we are headed. These are the top 10 largest mega-tools of science.

Super-ambitious architectural projects that did not get built Throughout history, there have been many fantastical and outlandish urban projects that never made it past the drawing board. From Hitler's dream of a new Berlin to a sealed dome over Manhattan, here are some of the most incredible.

How close are technologies to simulating or overtaking human intelligence and what are the implications for industry and society? Speakers: -Matthew Grob, Executive Vice-President and Chief Technology Officer, Qualcomm, USA. -Andrew Moore, Dean, School of Computer Science, Carnegie Mellon University...

Peer reviewed by historians at Columbia University and at the American Friends of Notre-Dame. Notre-Dame de Paris survived all kinds of wars and events that could have destroyed it, but was more affected by its maintenance in the 21st century.

Incredible technology from Israel. Lionel Messi, Cam My Eye. Hats off to scientists for inventing. We harness the power of innovative AI assistive technology to support people with low vision, visual impairments, and reading fatigue, with wearable and handheld devices.

Vin Diesel, Paul Walker and Dwayne Johnson lead the returning cast of all-stars as the global blockbuster franchise built on speed races to its next continent in "Fast & Furious 6." Reuniting for their most high-stakes adventure yet, fan favorites Jordana Brewster, Michelle Rodriguez, Tyrese Gibson,...

The Gay Games is a world-class sport and cultural festival organized by the LGBT community every 4 years. Everyone is welcome to participate regardless of sexual orientation, ability, gender, age or race. The Gay Games were intended, in the spirit of Tom Waddell, to build bridges between heterosexua...

This video unveils the design for The Line, a 500-metre-tall mirror-clad skyscraper that will be built to house nine million people as part of the Neom initiative in Saudi Arabia.

The completion of Art Nouveau architect Antoni Gaudí's Sagrada Família basilica in Barcelona is simulated in this movie released to show the final stages of construction anticipated before 2026, 100 years after the death of the architect.

How one construction team raised the roof -- literally.The Insane Plan to Lift a New York Theatre. Additional footage and images courtesy of L&L Holding Company, Nickelodeon, CNBC, Eyewitness News, The Museum of the City of New York, RKO Pictures, Earthcam, The Dronalist.