5. Paris' flea market
It is the largest antique market in the world.
After the war of 1870, the merchants that had fled Paris built he first flea market in Saint-Ouen.
Nowadays, the Saint-Ouen Flea Market offers common antique goods, like furniture, books, jewelry, as well as rare scientific instruments, archeological findings and military equipment.
6. Damnoen Saduak Floating Market, Thailand
A unique floating market where one can buy stuff on a boat. The merchants sell fruits and vegetables on a boat. It has become one of the most popular tourist attractions.
7. Tsukiji Fish Market, Japan
It is one of the most overcrowded markets of the world that sell fish. Buyers wear wetsuits, and the market handles around 3000 tones of fish each day and almost 800,000 tones per year.
Naturally, being a fish market it would be smelly.