Ben Armendariz

For the past 32 years, the Denver Zoo has played host to a luminous tradition that has become an essential holiday to-do for Colorado friends and families. Denver Zoo Lights now features 3 million LED lights and is expected to welcome 300,000 visitors this year.

The Cog Railway in Manitou Springs has been bringing people to the top of Pikes Peak since 1891. It is the highest and longest cog railway in the world.