Bicycle Museum

The UK has one too although i have no idea if it has any unicycles in
because it was closed when we went there!

The National Cycle Exhibition

Automobile Palace, Temple Street, Llandrindod Wells, Powys, Wales Tel:
(01597) 825531

Recently established in the restored Automobile Palace, the National Cycle
Exhibition houses many interesting machines, principally comprising the Tom
Norton collection of historic bicycles. View archive material, memorabilia,
discover sporting personalities and learn the history of cycling on video.
The exhibition features exciting displays showing typical Victorian and
Edwardian cycle shops and a lamp collection.