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1:43
Thousands paid tribute to Emmett Till by attending his funeral.
1:05
Engineer Theodore Judah solved the great riddle of the Pacific Railroad at Donner Pass.
1:19
Summit Tunnel is 1,659 feet long and through some of the hardest rock in North America.
0:46
Gutzon Borglum and his team of workers were aware that there would be challenges to face.
0:40
Gutzon Borglum used a concoction of materials to fill in the cracks in Jefferson's head.
2:22
Borglum built a studio size model of Mt. Rushmore and then enlarged it to scale.
21:27
Conservation Specialist Linda Edquist demonstrates preservation techniques.
3:06
Andy Carroll is the founder and director of the Legacy Project.
0:27
The Central Pacific prided itself on its workmanship.
0:28
The Central Pacific's best hope was a dangerous gamble: liquid nitroglycerin.
0:43
Workers dug tunnels through mountains in Utah and laid track in the Wyoming desert.
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