Completed in 1916, which Russian railroad is the longest in the world?

Completed in 1856, California's first railroad ran 22 miles between Sacramento and which future prison town? The nickname of the Great Bell at Westminster, cast in 1858, is often said to honor commissioner of works Sir Benjamin… Completed in 1869, which waterway has been nicknamed "the Highway to India"? Completed in 1914, which canal provides a shortcut between the Atlantic and Pacific oceans? Completed in 1930, which William Van Alen skyscraper in New York City is in the Art Deco style? Completed in 1931, which building rises more than 1,400 feet at 350 Fifth Avenue in New York City? Completed in 1932, which monument bears the inscription "Here rests in honored glory an American soldier known but to G… Completed in 1937, which hiking trail of about 2,000 miles passes through 14 states?