The Transcontinental Railroad, completed in 1869, revolutionized coast-to-coast travel in the United States. But this progress came at a significant cost to Indigenous Peoples, impacting their lands and way of life.

Bodies of Water differentiates between different bodies of water by exploring bays, canals, gulfs, lakes, oceans, rivers, seas, and straits.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

This program explores the geography, history, and some important cultural features of the Southwestern Region of the United States. The individual states of Texas, New Mexico, Arizona and Nevada are presented in detail.

CLEAN : For Colombias Wiwa nature take revenge with lightening stike

Bridalveil Fall / Harley Bikers / National Park Service Ranger / Fallen Tunnel Tree / Yosemite National Park on May 01, 1973 in National Park, California (Footage by Getty Images)

Snow melts in February in Sierra Nevadas / Low snow levels mean natural reservoir in mountains won't last long and will bring a dry summer for state.

The low snowpack levels could hurt the state's water supply and lengthen the drought.

CLEAN : For Colombias Wiwa nature take revenge with lightening stike

CLEAN : New tarantula species named in honor of Garcia Marquez