Parliament House is the centerpiece of downtown Ottawa, and the city's political and cultural heart. The Parliament Buildings are located on a hilltop, the buildings are Gothic and overlook the Ottawa River. It is one of the most important places where politicians discuss the current and future issues of the country. Free guided tours are available daily, including the chance to enjoy a great view of the city. Throughout the year, Parliament Hill is a pivotal landmark for some of the country's largest and most important celebrations .