Mount Elbert is the highest peak in the Rocky Mountains, with an elevation of 14,440 feet (4,401 m).

The Rocky Mountains were formed during the Cenozoic Era, which began about 66 million years ago.

The Front Range is a mountain range that runs along the eastern edge of the Rocky Mountains, from Colorado to Wyoming.

The Sierra Nevada is a mountain range that runs along the western edge of the Rocky Mountains, from California to Nevada.

The Colorado River is a river that flows through the Rocky Mountains, from Colorado to California.

Rocky Mountain National Park is a national park that is located in the Rocky Mountains, in Colorado.

South Pass is a mountain pass that was used by pioneers to cross the Rocky Mountains, from Wyoming to Idaho.

The Treaty of Guadalupe Hidalgo was a treaty that was signed between the United States and Mexico in 1848, which gave the United States control of the Rocky Mountains.

The Colorado Gold Rush was a gold rush that occurred in the Rocky Mountains in the 1850s, which led to the founding of the state of Colorado.

The Union Pacific Railroad was a railroad that was built through the Rocky Mountains in the 1860s, which connected the eastern and western United States.

Yellowstone National Park was a national park that was established in the Rocky Mountains in 1872, and is the first national park in the United States.

The Sangre de Cristo Mountains are a mountain range that is located in the southern Rocky Mountains, and run from Colorado to New Mexico.

The Front Range is a mountain range that is located in the central Rocky Mountains, and runs from Colorado to Wyoming.

The Bitterroot Range is a mountain range that is located in the northern Rocky Mountains, and runs from Idaho to Montana.

The Black Hills are a mountain range that is located in the eastern Rocky Mountains, and are located in South Dakota and Wyoming.