Mecca is the holiest city in Islam and is located in Saudi Arabia.

Hajj is the annual pilgrimage to Mecca that is required of all able-bodied Muslims.

The Ganges River is considered sacred in Hinduism and is often referred to as the 'Mother Ganga'.

Prayagraj is the sacred city in India where the Kumbh Mela festival is held.

Mount Kailash is considered sacred in Buddhism and is located in Tibet.

Lhasa is the sacred city in Tibet where the Dalai Lama resides.

Jerusalem is considered sacred in Christianity and is home to many holy sites, including the Church of the Holy Sepulchre.

The Pilgrimage to Rome is an annual pilgrimage that is undertaken by Catholics to visit the holy sites in Rome, including the Vatican City.

Jerusalem is considered sacred in Judaism and is home to many holy sites, including the Western Wall.

The Pilgrimage to Jerusalem is an annual pilgrimage that is undertaken by Jews to visit the holy sites in Jerusalem, including the Western Wall.

Amritsar is considered sacred in Sikhism and is home to the Golden Temple, which is the holiest shrine in Sikhism.

The Pilgrimage to Amritsar is an annual pilgrimage that is undertaken by Sikhs to visit the holy sites in Amritsar, including the Golden Temple.

Acre is considered sacred in Baha'i Faith and is home to the Shrine of Bahá'u'lláh, which is the holiest shrine in Baha'i Faith.

The Pilgrimage to Acre is an annual pilgrimage that is undertaken by Baha'is to visit the holy sites in Acre, including the Shrine of Bahá'u'lláh.

Palitana is considered sacred in Jainism and is home to the Shatrunjaya Temple, which is the holiest shrine in Jainism.