6. The Abandoned City Hall Subway Stop in New York, U.S.A.
City Hall Loop, which opened in 1904, was once an opulent terminal station, serving approximately 600 passengers daily. Passenger service at this station ceased after 40 years due to New York’s significant population growth. Today, access to the station is limited to specific times of the year. It was once a popular site for admiring its intricate historical designs, but it closed in the mid-20th century for security reasons.
