Museum of Mathematics, New York

Do you like math? Come here. Even if you hated math in school, you're still drawn to the wonders of math. There are all kinds of interesting games related to math, bicycles with square wheels and so on. It doesn't matter if you don't know the answer, because all exhibits come with simple explanation (解释).

Telephone: 01865 552031 Website: www. mom. ny

Katten Kabinet, Amsterdam, Netherlands

William Meijer opened the cat museum in 1990. It shows cats' different cute behaviors in the form of the painting and sculpture (雕塑). In addition, there are five cats living inside, guarding the house which belongs to them.

Telephone: 012 0236 3831 Website: aub ac

Mini Bottle GalleryOslo, Norway

It's said that it is the only Mini Bottle Gallery in the world. The owner of this bottle museum loves collecting bottles from all over the world. If you are interested in bottles and cans, this special museum is for you.

Telephone:020 8371 9686 Website: minibattle. on

Museum of Bad Art, Somerville Mass

The museum of bad art in the United States has more than 500 bad works in its collection. Here paintings and sculptures look weird (奇怪的). So, do you think they will be more interesting?

Museum of Bad Art Hours: July 1~September 1

Open daily 9:30 am to 9:00 pm Sundays 9:30 am to 6:30 pm

Museum of Bad Art Hours: September 1~June 30

Open daily 9:30 am to 6:30 pm Fridays 9:30 am to 9:00 pm