Most sacred place of humans world - Yoni
Yoni, which literally means the Womb, and the Vagina is more than just a sexual reproductive organ in Tantric teachings but the gateway to the Womb. Tantra recognizes the importance of the feminine, in all it rituals, as a Living Goddess. By worshiping the Yoni or Womb worship, is to worship the ten Mahavidyas.
The teaching of Yoni Tantra is ideal for couples, be it married couples or not, or for women who want to understand their real inner strength and their true place in the universe. The womb is the also know as the Sacred Grail.
"The Indians see most of things in the female form. The earth, the country, rivers are in female forms. There are more words in the feminine than any other genders. "Shakti" representing the woman hood is the driving force behind all human activities. Thus she is the symbol of fertility, birth and death. In all these activities, she is closely associated with Lord Shiva. It is implied that Shakti in association of Shiva is burdened with running the entire universe. Even Brahma, Vishnu and Shiva are her subjects and as per her wishes carry out their respective functions of creation, sustenance and destruction." Source
Indians have regarded creation as one the the grandest miracles and have found divinity in the organs that facilitate it. Such genitalia worship typically involves the fusion of male and female organs, but in this section let us only look at the female genitalia (Yoni) as a symbol of art and mysticism.
The worship of “Lajja-gowri” (The Shy Goddess) is a form “Yoni” adornment. Such idols could be found at deserted temples in Karnataka, Andhra Pradesh and Maharashtra states of India. The stone or mud icon of nude female has its feet held back so as the genitalia is prominently exhibited. She also features full grown breasts. The hands are raised and clenched in fists, or holding lotus flowers. The head is represented by large lotus. The body is very richly ornamented.
The women having problems with their puberty, menses, conceiving and child-birth take vow to worship Lajja-gowri with all dedication they can command. As part of this ritual they apply butter and kumkum and sometimes lick the yoni of the idol. Another similar type of practice was prevalent at Chandragutti in Karnataka state. Women favored by the Goddess Renuka (see: Given to Goddess) being worshipped in nude (Battale-Seva). Such customs and rituals connected with eroticism are prevalent throughout India in one form or the other. Source
Yoni as a Symbol of Goddess
There is no denying that goddess and yoni worship prevailed in ancient times.Figurines, paintings, and relief sculptures dating back as far as 40,000 BCE prove that since humans first developed a consciousness of the divine they worshipped a goddess
When French archaeologist Andre Leroi-Gourhan studied the Paleolithic art of sixty-two sacred caves in southwestern Europe, he discovered that eighty percent of the female symbology, including vulvas and the female figure, was found in a central location in the cave, whereas eighty percent of male symbology, including animals and hunting scenes, was found in peripheral areas, such as the entry of the cave and tunnels. He also discovered several smaller caverns decorated solely with vulvas, which Leroi-Gourhan surmises were “sanctuaries” that may have been used for sacred worship, including fertility rites and sexual initiations. Source