You can see MIA's sold-out Martin Luther exhibit for free on MLK Day

This could be one of the museum's most popular exhibits.

If you've been hoping to get to the Minneapolis Institute of Art's Martin Luther exhibit, this is its last weekend and it's completely sold out. But since the show has been so popular, it's been extended a day – and you can get in for free.

So it'll be open until Monday now, which is Martin Luther King Jr. Day – note this exhibit is for Protestant Reformation leader Martin Luther, not the American civil rights activist.

The museum is usually closed all Mondays, but Martin Luther: Art and the Reformationhas been so popular MIA has kept the exhibit open all week.

It's been open since October. The Star Tribune says it's on track to be one of the museum's biggest shows ever. MIA workers tell the paper it will likely attract more than 100,000 altogether.

If you want to go Monday, you can – and probably should – reserve your spot online. You can do that here. Otherwise if you show up without a reserved spot, it's first-come first-served. Tickets normally cost $20.

About the exhibit

The exhibit takes visitors back 500 years to tell the story of Martin Luther.

According to MIA, he used "art and the newly invented printing press to challenge Europe’s leaders and spread a revolution of religious, cultural, and societal change."

This exhibition features paintings, sculpture, gold, and textiles, among other things. It also shows some of Luther’s personal possessions, as well as recent archaeological discoveries.

You can read more about it here.

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