Yulius Yogi kneels under the forest canopy here on the island of Borneo, surveying land he plans to reclaim for his Dayak ...

The marina, set to cost $140 billion, is part of the Line, a 110-mile-long "vertical city" being built in the Saudi desert.

Seen from above, Sukari gold mine in southeastern Egypt looks like a massive chasm with terraced sides. A rock formation looms next to the pit, and toy-sized machines move around inside it. The view ...