Air travelers in Denver are treated to a solar-powered, covered parking lot, mini-golf, a nearby wildlife refuge and two on-campus commuter rail lines. In Dallas-Fort Worth, local authorities recently approved plans for a six-story, extended-stay hotel on an existing 32-acre, mixed-use commercial space that already has offices, restaurants and retail shops. In Pittsburgh, private businesses have invested several hundred million dollars for manufacturing, industrial, office and warehouse space on airport property – and aggressive efforts to bring more direct flights to Pittsburgh International Airport are attracting new types of business to this former steel town.

Passengers walk beneath train schedule displays listing several delays as they head to boarding platforms for regional commuter trains operated by Philadelphia's main transit agency, the Southeastern Pennsylvania Transportation Authority, on Tuesday, July 5, 2016, in Suburban Station in downtown Philadelphia. SEPTA said cracks were discovered Friday, July 1, 2016, in beams in the suspension system on 115 of the transit agency's 120 Silverliner V passenger train coaches, which make up one-third of the agency's fleet and were immediately taken out of service for emergency repairs that may reduce train service throughout the summer.

A person walks on a snow-covered sidewalk on a bridge near a commuter rail station Sunday, Feb. 12, 2017, in Wellesley, Mass. Another winter blast of snow and strong winds moved into the Northeast on Sunday to the delight of some and the consternation of others, just days after the biggest storm of the season dumped up to 19 inches of snow in the region.

It famously took Hillary Clinton five attempts to successfully access the New York City subway system, but she's not the only one who has trouble swiping the ol' MetroCard. In fact, it's a pretty common problem -- as evidenced by this heartbreaking new compilation video from Gothamist. According to the New York Times, the optimal MetroCard swipe speed is between 10 and 40 inches per second (IPS). So if you're having trouble getting through, just, like, do that. Only try this Mac'n' Cheetos recipe if you're willing to live your best life