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Address: Holliday Park, Near East 17th St and Morrie Ave, Cheyenne, WY 82001
Phone Number: 307-637-6423
Website
Description: Railroad buffs will enjoy seeing Old Number 4004, the world's largest...
Railroad buffs will enjoy seeing Old Number 4004, the world's largest steam locomotive, retired from service by the Union Pacific in 1956.
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TripAdvisor Reviewer Highlights

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  • 17
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Impressive, but a Little Sad

If you are into historic trains this is certainly a "must see". Old Number 4004 is one of only a handful of Big Boy steam locomotives still in existance. In its day it was one of... read more

4 of 5 starsReviewed February 5, 2015
ROCtraveler30
,
Fort Collins, Colorado
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77 Reviews from our TripAdvisor Community

Date | Rating
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English first
Westminster
Senior Reviewer
6 reviews 6 reviews
3 of 5 stars Reviewed April 28, 2015 NEW

I'm an aircraft mechanic so I am amazed at mechanical things. I stood in amazement at how big this thing is. Very cool to see history preserved. I think I know why you are not able to climb around on this thing but it sure would have made my day if I could have. Worth stopping and seeing if you're... More 

Was this review helpful? Yes
Natick, Massachusetts
Top Contributor
58 reviews 58 reviews
15 attraction reviews
9 helpful votes 9 helpful votes
5 of 5 stars Reviewed April 14, 2015

At the Depot Museum my wife and I learned that there was a Big Boy engine located a few miles away. As a couple of amateur rail fans we decided we had to see it. Despite the poor weather, we're glad we swung through the park to see this behemoth! Since there are only 8 left in the world we're... More 

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Jamestown, North Dakota, United States
Top Contributor
87 reviews 87 reviews
56 attraction reviews
31 helpful votes 31 helpful votes
5 of 5 stars Reviewed March 9, 2015

Saw the engine and took a few pictures. It is just what it says, a large steam engine in a park with a bunch of signs explaining it. Nice short visit.

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Fort Collins, Colorado
Top Contributor
340 reviews 340 reviews
104 attraction reviews
162 helpful votes 162 helpful votes
4 of 5 stars Reviewed February 5, 2015

If you are into historic trains this is certainly a "must see". Old Number 4004 is one of only a handful of Big Boy steam locomotives still in existance. In its day it was one of the largest engines in the world, specifically designed to haul heavy loads over the mountins. In retirement it has become a pigeon perch in... More 

Was this review helpful? Yes 2
Barrington, Illinois
Top Contributor
73 reviews 73 reviews
18 attraction reviews
38 helpful votes 38 helpful votes
4 of 5 stars Reviewed January 24, 2015

Steam locomotive fans wouldn't miss the chance to see the "Big Boy" while in Cheyenne. If you're not a rail fan, this glorious engine from a bygone era might look like a hunk of steel sitting in a park. But for rail fans, it is a surviving example of the greatest motive force every put on the rails. It is... More 

Was this review helpful? Yes 1
Melbourne, Australia
Top Contributor
81 reviews 81 reviews
43 attraction reviews
53 helpful votes 53 helpful votes
4 of 5 stars Reviewed January 9, 2015

Although fenced, the train itself is huge and you really need to walk the train to appreciate the size and dimension.

Was this review helpful? Yes 1
Ephrata, Pennsylvania
Top Contributor
87 reviews 87 reviews
25 attraction reviews
69 helpful votes 69 helpful votes
4 of 5 stars Reviewed January 9, 2015

Located in Holiday Park, the engine is quite a site to see. Entrance into the park is free, as is seeing the engine. It does't take much time to see the engine and take a few pics, say 15 minutes top. One cannot access the engine because its fenced off. Understandable, as human contact would only cause problems (sad to... More 

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Vidor, Texas
Contributor
20 reviews 20 reviews
4 attraction reviews
27 helpful votes 27 helpful votes
5 of 5 stars Reviewed November 28, 2014

When in Cheyenne, this is a must see for any railroad fan or history buff. The park area is very nice and accessible from the side street and one way drive to the park. There is a picnic shelter adjacent from the locomotive and room for good photographs.

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Senior Contributor
34 reviews 34 reviews
17 attraction reviews
17 helpful votes 17 helpful votes
5 of 5 stars Reviewed October 14, 2014

What a wonderful piece of history. Kids love it, parents are amazed by it. It sets in a beautiful kid friendly part. There are toys for all ages. So have a pic nic and enjoy the history and get some exersize for the kiddos.

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Pittsburgh, Pennsylvania
Top Contributor
229 reviews 229 reviews
77 attraction reviews
104 helpful votes 104 helpful votes
4 of 5 stars Reviewed October 14, 2014

We drove up to Cheyenne from Denver specifically to see Big Boy. It's easy to find right outside of town in a park. It is fascinating to look at and read about. It's only one of 8 that were made and on display.

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