railroad tycoon li linda stanford hammered in a gold spike to link the central specific -- pacific railroad from the west and the road road from the east. the transcontinental railroad was complete. we go to utah to learn more. david: so we are from the summit walking you over to where the transcontinental railroad was completed. this spot, marked by the thai -- of whereithin inches the original ceremony was held in 1869. included on this tie is a plaque that lists many of the dignitaries from that company, including leland stanford's name. and the big four are all marked there. another thing you can see here at the site is connection to the resources that would have been available to the two companies building the railroad. we mocked up everything to try to make it as authentic as possible. if you look on the west side, you will see some precut ties. they had plenty of wood in the sierra nevada's, they had sawmills and they cut all of their ties and brought them down from the mountains. whereas the union pacific coming from the east, they had to hand where they could find wood. not a lot a