Most of us here in NYC ride the iron horse to get around. While the MTA receives more criticism than praise, the subway is still one of the world's most extensive, efficient, and reliable modes of mass transportation. As the world's capital, the city that never sleeps represents the most commonly used form of mass transit around the globe, with most cities adopting some form of railway. However, there are exceptions to the standard railway system. Here is a list of some of the most incredible modes of mass transit.