The most sacred building in Islam is the Ka'aba situated in Makka, KSA. The Muslims offer their prayers facing Ka'aba. They also visit it to perform Ummra or Hajj.
mosque
The islam worship in a building called the masjid
Qur.An
They are five pillars of Islam faith. They are not materialistic pillars as the building pillars. These pillars of Islam are referred to in question below.
My children are scared of the gargoyle on the building.
Kaaba is the holiest building in Islam. Kaaba is surrounded by the greatest Mosque in the world. It is called the Grand mosque (or Al-Majid Al-Haram).
The Holy Qur'an and the Sunnah (sayings and actions of Prophet Muhammad - peace be upon him).
Islam (apex)
the sacred building of Hinduism is called a Temple. People of Hinduism pray inside this Temple & worship God.
Because they are scared of terrorists.
The oldest structure which is now in Islam is undoubtedly the Kaaba (the "Cube") in al-Makkah. It was built, however, not by Muslims, but (probably) by Hindus. Since Muslims have kept it in repair, it could be properly called the oldest building in Islam. ______________________________________________________ The oldest building in Islam is Kaaba in Makkah (or Mecca) in the Kingdom of Saudi Arabia. The Kaaba is narrated that it was built by prophet Adam ans when covered by sands the building was raised again by prophet Abraham and his son prophet Ismael. Hindus were never in this area and never built or participated in building Kaaba, They have nothing to do with it and it is not related at all to their beliefs.
Islam is not pracitced in temples. In fact no religion is practiced in a building. Temple is the place of worship of Hindus. Muslims pray in mosque.