The Prophet (ﷺ) said: The Last Hour will not come until people vie with one another about mosques.
Sunan Abi Dawud Book 2, Hadith 59
← Previous Hadith I was not commanded to build high mosques. Ibn Abbas said: You will certainly adorn them as the Jews and Christians did.

Sunan Abi Dawud Book 2, Hadith 58 Next Hadith → The Prophet (nay peace be upon him) commanded him to build a mosque at Ta'if where the idols were placed.

Sunan Abi Dawud Book 2, Hadith 60