Yes. It is a very special place for Catholics and millions of people visit it every year.
Lourdes
The Hajj is a pilgrimage undertaken by Muslims who go to Mecca. Lourdes is a place of pilgrimage for Catholics. Millions of Muslims go each year to Mecca and millions of Catholics go each year to Lourdes.
There is no requirement for Catholics to ever go to Lourdes. It is a choice left to the individual. Some go once in a lifetime, some several times and others never go.
It is mainly Catholics, but anyone can go and many people who are not Catholic go to Lourdes too.
Roman Catholics believe that healing miracles have happened and continue to happen at Lourdes, which is why they go there.
Ill people go to Lourdes or if people have disabilities e.g. if someone was blind they would go to Lourdes to get their eyesyght back. Not everyone can get cured by going to Lourdes. Mainly the Roman Catholics but Methodists, Anglicans, Baptists and Presbyterians do too. Anybody is allowed to go but it is a place of pilgrimage so mostly religious people visit there
Lourdes
Catholics.
Mainly it is Catholics going there on pilgrimage. Anyone can visit, so you will have non-Catholics going to see it, and general tourists. As well as the religious aspects, Lourdes is a big town, so people will go for other practical reasons too, like any town. There is also a rugby team there, as rugby is popular in the south of France, so some people would go to see matches there. But the vast majority of people that go to Lourdes are going there because it is a place of pilgrimage.
a pilgramage is a journey to a scared or holy place in your religion for catholics eg. lourdes
Roman Catholic AnswerI should think that the most important things to take to Lourdes are your faith in God, and your need for Him.
I am going to Lourdes > je vais à Lourdes - to go is 'aller' in French (conjugated verb in link)