They go to Jerusalem (AlQods) because that is where the Al-Aqsa Mosque (Masjid Al-Aqsa) and the Dome of Rock Shrine are, in addition to several other Islamic places. The Al-Aqsa Mosque is considered the third holiest place in Islam and praying there is a moving experience for many Muslims. There are also the remnants of Mohammed's footsteps from where he ascended to heaven from Al-Aqsa. See the link below for more information on the reasons why Muslims revere Jerusalem.
Jerusalem
Muslims don't worship the kabba but the kabba is the direction of prayer for Muslims after Jerusalem was the direction of prayer. first Jerusalem was the direction of prayer for Muslim then a verse in the quran ordered Muslims to switch their direction of prayer from Jerusalem to the kabba.
The First Crusade in 1099 succeeded in capturing Jerusalem and driving the Muslims out. The Crusaders established the Kingdom of Jerusalem after their victory.
The muslims
Mecca and Jerusalem are holy cities for Muslims.
Jerusalem - Sacred to Muslims, Jews, and Christians.
They were the Muslims.
Jerusalem.
The first crusade
to drive Muslims out of Jerusalem
Christian knights hoped to recapture Jerusalem from the Muslims during the Crusades. The city of Jerusalem held great religious significance to Christians as the site of Jesus Christ's crucifixion and resurrection.
Jerusalem is the Holy City for Christians, Jews, and Muslims.