1. Qutub Minar is a UNESCO World Heritage Site located in New Delhi, India. It is the tallest brick minaret in the world, standing at a height of 73 meters. The tower was built in the 12th century by Qutub-ud-din Aibak, the first Muslim ruler of Delhi, and was later completed by his successor Iltutmish. The tower is made of red sandstone and has intricate carvings and inscriptions from the Quran. The base of the Qutub Minar is 14.32 meters in diameter while the top is just 2.75 meters. There are five stories in the tower and each story has a balcony. Visitors can climb up to the tower using a narrow staircase of 379 steps.

2. The Qutub Minar is open for visitors from sunrise to sunset. The phone number for the monument is +91-11-24695383.

3. The entrance ticket for Indian citizens is INR 30 and for foreign nationals is INR 500. Children under the age of 15 get free entry. The nearest metro station to the Qutub Minar is Qutub Minar on the Yellow Line. There are also buses and taxis available for transportation.