The architectural marvel built as a tribute to Mughal emperor Shah Jahan's beloved wife, Mumtaz Mahal, is the Taj Mahal. Constructed between 1632 and 1653, this iconic mausoleum is a UNESCO World Heritage site and is widely regarded as one of the finest examples of Mughal architecture. The Taj Mahal combines elements of Persian, Islamic, and Indian architectural styles, featuring stunning white marble adorned with intricate inlay work and a symmetrical garden layout. It serves not only as a tomb but also as a testament to enduring love, drawing millions of visitors to admire its beauty each year.