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A concentrated cluster of grand government buildings overlooking the Ottawa River, Parliament Hill is the centerpiece of Downtown Ottawa. At the heart of the complex is Centre Block, a neo-Gothic riot of greening copper turrets, stone-carved gargoyles, and pointed arches built around a soaring central campanile (bell tower) known as the Peace Tower. Parliament Hill is not just a pretty sight; it’s also home to Canada’s most important democratic institutions, including the Library of Parliament and the chambers of the House of Commons and the Senate.