Trump says US is building a wall in Colorado -- a state that doesn't border Mexico

(CNN)During a speech on American energy in Pittsburgh on Wednesday, President Donald Trump ticked through his usual issues before making an unusual remark about his long-promised border wall.

"We're building a wall on the border of New Mexico. And we're building a wall in Colorado," Trump said.
Colorado, located directly north of New Mexico, is not on the US-Mexico border.
Trump went on to say the wall would be "a big one that really works -- you can't get over, you can't get under."