Ft. Collins, CO

Fort Collins is a city in northern Colorado. Its Old Town historic district has 1800s houses, a vintage trolley, specialty shops and restaurants. The Fort Collins Museum of Discovery features interactive science, history and nature exhibits, plus a digital dome theater. West of the city, trails criss-cross Horsetooth Mountain Open Space, known for the peak's distinctive Horsetooth Rock formation and Horsetooth Falls.

Elevation: 5003 ft

Population: 165,080

Zip Codes Served: 80521–80528