World's Largest

Saudi Arabia rarely does things by halves, so it's no surprise that its new high-profile theme park has already smashed multiple world records. Six Flags Qiddiya City features the world's longest, fastest, and tallest roller coaster.

Mukaab, the world's largest skyscraper, is one of the most ambitious construction projects ever conceived. However, according to a new report, Saudi authorities have stopped work on the the gigantic building, and its future now looks uncertain.

The world’s largest battery-electric ship has quietly begun harbor trials on the River Derwent in Hobart. Built by Incat Tasmania, the Hull 096 represents a major step forward for large-scale electric shipping.

The past 12 months have produced a remarkable number of buildings that push architecture to new heights. From a megatall skyscraper to the world's longest suspension bridge, here's our pick of the year's most ambitious architecture projects.

Sandro Dias has broken two Guinness World Records after turning the curved facade of a 22-story high-rise in Brazil into the world's largest skate ramp. He dropped from a height of 197 ft and reached speeds of up to 64 mph during his descent.

Finland has inaugurated a giant sand battery this week in the southern town of Pornainen, where it'll take over heating duties from an old woodchip power plant. It's set to reduce carbon emissions from the local heating network by 70%.

The name Wärtsilä has a definite glow around it in the motorhead community. That's largely because of the RTA96-C, a 14-cylinder, two-stroke turbo diesel behemoth that our own Mike Hanlon endorsed as one of the Seven Wonders of the World back in 2004.

The world's largest wooden structure has been completed. Aptly named the Grand Ring, it takes the form of a massive circular loop with a walkway on top and has a circumference of approximately 1.2 miles.

Some historic aircraft seem like a barrel for holding superlatives. One of these, the H-4 Hercules, goes one better because it's also at the center of one of the strangest stories involving possibly the 20th century's strangest man – Howard Hughes.

Mingyang Smart Energy said last week that it's installed “the world’s largest single-capacity offshore wind turbine” in a project in Hainan, China. The turbine delivers a power output of up to 20 MW, besting its previous 18 MW model from 2023.

Populous and Oualalou + Choi have joined forces to design an extraordinary new stadium that will take the form of a huge tent. The Grand Stade Hassan II will be located in Morocco and will be the largest soccer stadium in the world.

The world's largest single-capacity floating wind platform has set to sea and the builder released images of the operation. Mingyang’s OceanX is set to travel 191 nm (220 miles, 354 km) over the next three days to its final offshore destination.