Currently in the lead is Oklahoma City's Legends Tower, a 1,907-foot structure that would be the tallest building in the U.S.

A major transformation is in the works in the heart of downtown Portland, and it includes what could become the tallest building in Maine. The project, called Old Port Square, is led by Tim Soley ...

The San Diego City Council will look over a development team's proposal to convert a 21-story office building at 101 Ash St.