I kind of lost track of space and time,” the American told NBC News' "TODAY" after he climbed the famous skyscraper.

Cheers erupted from a street-level crowd as Alex Honnold reached the top of the spire of the 508-meter (1,667-foot) tower, ...

Every developer wants to make a statement—and with the topping out of 1072 West Peachtree in Atlanta, the Rockefeller Group is shouting from the skyline. When completed this spring, the 60-story mixed ...