96

TOP 10

The 601 metre tall Makkah Royal Clock Tower in Mecca , Saudi Arabia sits at the heart of Islam ’ s holiest city . The tower was developed as a component of the King Abdulaziz Endowment Project and provides temporary accomodation for millions of Muslims that make the journey to the city every year during the Hajj period . It is located directly beside the grand mosque , which sees an average of two million visitors during its busiest periods . The building has a total of 858 hotel rooms in the central tower , spread across 120 floors above ground , with an additional three floors below . Four gigantic clock faces are mounted near the top of the tower , and hold the record for both the largest and highest clocks in the world . At night , the clock faces are illuminated by one million LED lights .