Quezon City (UK: /ˈkeɪzɒn/, US: /ˈkeɪsɒn, sɔːn,soʊn/; Tagalog: Lungsod Quezon[luŋˈsod ˈkɛson]; also known as QC or Kyusi)
is a highly urbanized city and the most populous city in the Philippines. It was founded by and named after Manuel L. Quezon, the 2nd President of the Philippines, to replace Manila as the national capital.
Quezon City held status as the official capital until 1976 when a presidential decree was issued to reinstate and designate Manila as the capital and Metro Manila as the seat of government.

Top 10 Attractions in Quezon City

1.Art in Island
Located at 175 15th Ave, Cubao, Quezon City, 1109 Metro Manila
2.Eastwood City
Located at Eulogio Rodriguez Jr. Ave, Bagumbayan, Quezon City, Metro Manila
3.La Mesa Eco Park
Located at North Fairview, Lungsod Quezon, Kalakhang Maynila
4.Quezon Memorial Circle
Located at Elliptical Rd, Diliman, Quezon City, Metro Manila
5.University of the Philippines
Located at: U.P. Campus , University of the Philippines , Quezon City , Metro Manila
6.Monasterio de Sta. Clara
Located at Aurora Blvd 1108 1880 C5, Katipunan Ave, Novaliches, Quezon City, Metro Manila
7.Sitio Pio Chapel
Located at: Eulogio Rodriguez Jr. Ave, Bagumbayan, Quezon City, Metro Manila
8.The Immaculate Conception Cathedral of Cubao
Located at 41 Lantana St, Cubao, Quezon City,Metro Manila
9.Maginhawa Food Park
Located at 91 Maginhawa, Diliman, Lungsod Quezon, Kalakhang Maynila
10.Sining Kamalig
Located at: Ali Mall, General Romulo Ave, Cubao, Quezon City, Metro Manila

Source
Wikipedia
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