A train worker stands atop Union Pacific鈥檚 Big Boy No. 4014 as a crowd gathers to view the train Sunday, July 19, 2026, at Union Station in 最新杏吧原创. The No. 4014 is the world鈥檚 largest operating steam locomotive, one of eight Big Boys still operating.
Liz Rymarev, Post-Dispatch
Charli Johnson, of Nashville, Tenn., cheers as her son Abram, 6, covers his ears as the train whistle is blown on Union Pacific鈥檚 Big Boy No. 4014 on Sunday, July 19, 2026, at Union Station in 最新杏吧原创. 鈥淚t鈥檚 the final hurrah of the summer,鈥 Charli Johnson said.
Liz Rymarev, Post-Dispatch
Engineer Ed Dickens, center, takes a seat as a crowd forms around him to sign posters, hats and toy trains as Union Pacific鈥檚 Big Boy No. 4014 stops through Union Station in 最新杏吧原创 on Sunday, July 19, 2026.
Liz Rymarev, Post-Dispatch
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ST. LOUIS聽鈥 Suffocating humidity and an official heat advisory couldn鈥檛 deter an enormous crowd from swarming Union Station to see Big Boy on Sunday聽鈥 Union Pacific鈥檚 monstrous and aptly named 1.2 million-pound locomotive.
Photos and Video: Union Pacific's 'Big Boy' No. 4104 stops at Union Station in 最新杏吧原创
A train worker stands atop Union Pacific鈥檚 Big Boy No. 4014 as a crowd gathers to view the train Sunday, July 19, 2026, at Union Station in 最新杏吧原创. The No. 4014 is the world鈥檚 largest operating steam locomotive, one of eight Big Boys still operating.
Liz Rymarev, Post-Dispatch
Charli Johnson, of Nashville, Tenn., cheers as her son Abram, 6, covers his ears as the train whistle is blown on Union Pacific鈥檚 Big Boy No. 4014 on Sunday, July 19, 2026, at Union Station in 最新杏吧原创. 鈥淚t鈥檚 the final hurrah of the summer,鈥 Charli Johnson said.
Liz Rymarev, Post-Dispatch
Engineer Ed Dickens addresses the crowd next to Union Pacific鈥檚 鈥楤ig Boy鈥 No. 4014 at Union Station in 最新杏吧原创, on Sunday, July 19, 2026. 4014 is the world鈥檚 largest operating steam locomotive, one of eight 鈥楤ig Boys鈥 still operating.
Liz Rymarev, Post-Dispatch
A train worker hangs his name tag on the blue flag safety board on Union Pacific鈥檚 Big Boy No. 4014 on Sunday, July 19, 2026, at Union Station in 最新杏吧原创.
Liz Rymarev, Post-Dispatch
Engineer Ed Dickens, center, takes a seat as a crowd forms around him to sign posters, hats and toy trains as Union Pacific鈥檚 Big Boy No. 4014 stops through Union Station in 最新杏吧原创 on Sunday, July 19, 2026.
Liz Rymarev, Post-Dispatch
People watch and react as the train whistle is blown on Union Pacific鈥檚 鈥楤ig Boy鈥 No. 4014 at Union Station in 最新杏吧原创, on Sunday, July 19, 2026. 4014 is the world鈥檚 largest operating steam locomotive, one of eight 鈥楤ig Boys鈥 still operating.
Liz Rymarev, Post-Dispatch
Austin Gerovac holds his son, Conrad, 6, of Waterloo, Ill., on his shoulders as they make their way through the crowd to view Union Pacific鈥檚 鈥楤ig Boy鈥 No. 4014 at Union Station in 最新杏吧原创, on Sunday, July 19, 2026. 鈥淲e like trains and we have tracks by us so we鈥檙e constantly looking at trains,鈥 Austin Gerovac said.
Union Pacific's 'Big Boy' No. 4104 stops at Union Station in 最新杏吧原创
A train worker stands atop Union Pacific鈥檚 Big Boy No. 4014 as a crowd gathers to view the train Sunday, July 19, 2026, at Union Station in 最新杏吧原创. The No. 4014 is the world鈥檚 largest operating steam locomotive, one of eight Big Boys still operating.
Charli Johnson, of Nashville, Tenn., cheers as her son Abram, 6, covers his ears as the train whistle is blown on Union Pacific鈥檚 Big Boy No. 4014 on Sunday, July 19, 2026, at Union Station in 最新杏吧原创. 鈥淚t鈥檚 the final hurrah of the summer,鈥 Charli Johnson said.
Engineer Ed Dickens, center, takes a seat as a crowd forms around him to sign posters, hats and toy trains as Union Pacific鈥檚 Big Boy No. 4014 stops through Union Station in 最新杏吧原创 on Sunday, July 19, 2026.
