Tents

(credit: CBS)

Frontier Airlines

A Frontier Airlines plane at Denver International Airport (credit: CBS)

US Airways Plane

(credit: CBS)

Air Traffic Control Tower

(credit: CBS)

DIA From A Distance

(credit: CBS)

United Airlines Plane

(credit: CBS)

Southwest Airlines Plane

(credit: CBS)

Southwest Airlines Plane

(credit: CBS)

Frontier Airlines Plane

(credit: CBS)

American Airlines Plane

(credit: CBS)

Frontier Airlines Plane

(credit: CBS)

Denver International Airport

Denver International Airport (credit: CBS)

United Airlines Plane

(credit: CBS)

Delta Airlines Plane

(credit: CBS)

American Airlines Plane

(credit: CBS)