The Custom House Tower is a historic clock tower located in Boston, Massachusetts. Completed in 1915, it stands at 615 feet tall and was originally built to serve as a customs house for the port of Boston. The tower is designed in the Beaux-Arts architectural style and features a prominent clock and a statue of Columbia, symbolizing American ideals. Today, the Custom House Tower is part of the Boston Harbor Hotel and offers stunning views of the city and harbor. It is a popular tourist attraction and is recognized as a significant landmark in Boston's skyline, reflecting the city's rich maritime history.