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Welcome to Colorado.Wiki

The free encyclopedia for Colorado — the Centennial State's cities, mountains, history, and outdoor culture.

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Featured Article

Rocky Mountain National Park — Rocky Mountain National Park encompasses 415 square miles of mountain environments across the Continental Divide. Established in 1915, the park contains 77 peaks above 12,000 feet and offers some of the most accessible alpine scenery in the continental United States. Read more →

Did You Know?

...that Colorado joined the United States as the 38th state on August 1, 1876, earning the nickname 'The Centennial State'?
...that Colorado has 58 mountains that exceed 14,000 feet in elevation, known as 'fourteeners' — more than any other state?
...that Mesa Verde National Park contains some of the best-preserved Ancestral Puebloan cliff dwellings in North America?
...that Denver International Airport's iconic white tent roof was designed to evoke the snow-capped Rocky Mountains?
...that Colorado legalized recreational marijuana in 2012, becoming one of the first two states in the nation to do so?