In 2016, exactly 100 years after the movement to create it began, this powerful museum finally opened its doors to the public. Transporting visitors through US history from an African-American perspective, the breadth and depth of its galleries have been striking a chord with visitors ever since.

Housed in a striking bronze building, this Smithsonian museum in Washington DC is free to enter but timed-entry passes are required to get in. From iron shackles to costumes worn by Black icons, a whole day is needed to absorb the exhibits in full. Best free museum in the US? You're looking at it.

Now see how we've ranked America's most beautiful buildings

The best free museums in the USA, ranked