Final answer:
Varanasi, situated on the Ganges River, is a pivotal holy city in Hinduism with numerous temples dedicated to various deities, attracting over one million pilgrims yearly. India also houses sacred sites pertinent to other religions, including Buddhism's Mahabodhi Temple.
Step-by-step explanation:
India is a land rich with religious history and has numerous holy places that are of significant importance to various religions, especially Hinduism. One of the most prominent cities is Varanasi, revered by many as the holiest city in Hinduism. Located along the sacred Ganges River, Varanasi boasts a plethora of temples and shrines, with the most visited being a shrine in honor of a manifestation of Shiva. Pilgrimage to this city is a profound experience for the Hindu faithful, with more than one million pilgrims visiting annually. Alongside pilgrimages specific to Hinduism, India's rich tapestry of spiritual sites extends to other religions as well, including Buddhism, where the Mahabodhi Temple represents a critical center for worship.