Norwalk is a city located in Los Angeles County, California, with a population of over 100,000 residents. The city is known for its rich history and diverse community. Norwalk was originally settled by Spanish explorers in the late 18th century and later became a part of Mexico. It was not until the mid-19th century that the area was acquired by the United States as part of the Treaty of Guadalupe Hidalgo.

One interesting fact about Norwalk is its connection to the freight transportation industry. The city is home to the Santa Fe Springs Railroad Depot, which was built in 1888 and served as a major hub for the Southern Pacific Railroad. The depot played a crucial role in the transportation of goods and materials throughout Southern California, and its presence helped to stimulate economic growth in the region. Today, the depot has been restored and serves as a museum, providing visitors with a glimpse into the city's transportation history.

Altoona, PA is a city located in Blair County, Pennsylvania. It is known for its rich history in the railroad industry, particularly as the home of the Altoona Works, one of the largest railroad repair facilities in the world. The Altoona Works was established in 1850 by the Pennsylvania Railroad and played a pivotal role in the development of the American rail system. Today, the city still maintains strong ties to the railroad industry, with Norfolk Southern's Juniata Locomotive Shop being one of the largest employers in the area.

One of the most notable features of Altoona is the Horseshoe Curve, a famous landmark in American railroad history. Built in 1854, the Horseshoe Curve is a three-track railroad curve that spans 2,375 feet and rises 139 feet. It was a remarkable engineering feat at the time and allowed trains to navigate the steep Allegheny Mountains more efficiently. The Horseshoe Curve is still in use today and is a popular tourist attraction, offering visitors a chance to witness the impressive sight of trains navigating the curve.

In addition to its railroad heritage, Altoona is also home to the Railroaders Memorial Museum, which showcases the history and impact of the railroad industry on American society. The museum features a collection of locomotives, rolling stock, and exhibits that highlight the lives of the men and women who worked on the railroads. It is a must-visit destination for anyone interested in the history of transportation and the role of railroads in shaping the United States.