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Zion Mt. Carmel Tunnel and Highway - Washington County, UT National Historic Civil Engineering Landmark
Completed in 1805, the Pontcysyllte Aqueduct in Wales is the longest and highest aqueduct in Great Britain, and remains in service to this day, including its navigable features. It is the first notable civil engineering achievement of the legendary Thomas Telford,
The Royal Blue was the Baltimore and Ohio Railroad (B)'s flagship passenger train between New York City and Washington, D.C., in the United States, beginning in 1890. Revered for the elegance and luxury inside the cars, the Royal Blue received the same reverence for its engineering outside as it became the first American railroad to use electric locomotives instead of steam power.