Becoming America at the Science Museum: free show opens 23 October
The biggest free exhibition opening in South Kensington this autumn tells an American story from a British museum. Becoming America: How Science Shaped a Nation opens at the Science Museum on Friday 23 October and runs until 25 April 2027. It marks 250 years since the signing of the Declaration of Independence, and it is well worth booking a slot now.
The story it tells
The exhibition covers the decades from the 1760s to the first US presidency in the 1790s, and it looks at how science shaped, and was shaped by, land, peoples and power as the United States was formed. Rather than a simple tale of founding fathers, it brings in colonial scientific ambition, Indigenous scientific practice, and the knowledge and experience of enslaved and free people of African descent.
Objects to look for
- A rare surviving 1776 print of the Declaration of Independence.
- An ornate microscope made for King George III, a reminder of the British side of the story.
- The first known chart of the Gulf Stream, published by Benjamin Franklin.
- A surveying compass used to mark the Mason-Dixon line.
- A dugout canoe made using traditional Indigenous methods, commissioned for the exhibition.
- Exhumation of the Mastodon, a large painting by Charles Willson Peale.
The museum notes that some historical material uses language and imagery now considered racist. That candour is part of the point: this is a show about who held knowledge, who was credited with it and who was written out, as much as it is about instruments and maps.
Who it is for
The Science Museum's exhibition page recommends it for ages 11 and over, which makes it a strong pick for families with older children over the October half-term and into the winter. Younger visitors will find more hands-on material elsewhere in the building, including the free family Space Show, which runs at weekends and on selected school holiday weekdays. For adults, it is the kind of exhibition that rewards a slow weekday visit rather than a weekend crush.
Booking and practicalities
- Price: free, but timed tickets are required, so book ahead through the museum's site.
- Where: Special Exhibition Gallery 2, on Level 2.
- Museum hours: daily from 10.00 to 18.00, with general entry free.
The Blavatnik Family Foundation, a major funder of the show, has a short overview of the exhibition for anyone wanting more background before a visit.
Make it a South Kensington day
Exhibition Road is at its best in autumn, and this opening lands in a strong season for the neighbourhood. The Natural History Museum's Wildlife Photographer of the Year opens a week earlier, on 16 October, and the V&A's Schiaparelli exhibition runs until 15 November. Our things to do guide has more ideas for filling the rest of the day between the museums and Hyde Park.
Getting there
The Science Museum is on Exhibition Road, SW7 2DD. South Kensington station is the nearest, connected by the pedestrian tunnel, and Knightsbridge is a pleasant walk away along Brompton Road and up through the side streets.



