(WHTM) — Roller coasters are getting taller, faster, and newer every year. It may look like it can be unsafe. But, in fact, coasters are some of the safest machines in the world. Fun fact: The author ...

Of the estimated 6,600 roller coasters in the world, several stand tall among the rest by offering thrills that go beyond the standard coaster and take excitement to new heights. Nothing quite matches ...