If memories of math class give you nightmares, this museum may not be for you. If they don't, you may well find this expansive collection of mechanical calculating machines – from the abacus to early computers by Hollerith and Babbage – quite fascinating. The science aspect is complemented by changing art exhibits, usually with a geometric constructivist bent. Work your way down from the top floor of the large minimalist glass-and-steel cube.

Lonely Planet's must-see attractions

Nearby Bonn attractions

1. Kurfürstliches Schloss

0.22 MILES

The palatial 1705 Kurfürstliche Residenz was once the immodest home of the prince-electors of Cologne and has been part of Bonn’s university since 1818…

2. Münster Basilica

0.29 MILES

The landmark Münster Basilica was built on the graves of the two martyred Roman soldiers who later got promoted to be the city’s patron saints. It got its…

3. Altes Rathaus

0.31 MILES

Overlooking the triangular Markt square, the rococo Altes Rathaus absolutely glistens with silver and gold trim. Politicians from Charles de Gaulle to…

4. Beethoven Monument

0.35 MILES

A buttercup-yellow baroque Palais (palace; now the post office) forms a photogenic backdrop for the Beethoven Monument, unveiled in 1845, 75 years after…

5. Beethoven-Haus Bonn

0.45 MILES

Star composer Ludwig van Beethoven was born in 1770 in this rather humble townhouse, where today original scores, letters, paintings and instruments,…

6. LandesMuseum Bonn

0.53 MILES

The LandesMuseum charts the cultural history of the region back to the days of the Neanderthals. Each of the seven themed galleries brims with fascinating…

7. Museum Koenig

0.71 MILES

The Museum Koenig is a natural history museum but it’s hardly your usual dead-animal zoo. The ‘Savannah’ exhibit re-creates an entire habitat with…

8. August Macke-Haus

0.93 MILES

The expressionist painter August Macke (1887–1914) lived and worked in this house in the three years before his untimely death on the battlefields in WWI…