BRUSSELS -- Tourists are lining up in Belgium for the chance to visit a huge, foul-smelling plant.

The national botanical garden was staying open until dusk for a second day Tuesday to give as many people as possible a view of the titan arum – also known as the corpse flower – that's towering over the visitors.

At the heart of the flower a huge column rises upward to the sky and is responsible for the smell that resembles a decomposing animal.

The rare Sumatran plant has now flowered three times since 2008, a feat in itself. At its height this year, it measured 2.44 meters (8 feet). It only flowers for three days, and is expected to wane on Wednesday.

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  • A woman looks at the Amorphophallus Titanum, also known as the Titan Arum or Corpse flower, because of its smell, one of the world's largest flowers, at the National Botanic Garden in Meise near Brussels, Monday, July 8, 2013. The rare phallus-like flower that springs from the plant only survives about 72 hours. (AP photo/Yves Logghe)

  • Visitors look at a blooming titan arum (Amorphophallus titanum), popularly known as "corpse flower", at Djuanda Botanical Garden in Bandung, West Java, Indonesia, Saturday, Dec. 15, 2012. The rare plant, native to the tropical rainforests of Sumatra, blooms on an unpredictable schedule and is well-known for smelling like rotting meat. (AP Photo/Kusumadireza)

  • A woman takes a photograph of the Amorphophallus Titanum. (AP photo/Yves Logghe)

  • A girl looks at the Amorphophallus Titanum. (AP photo/Yves Logghe)

  • Visitors look at the Arum Titan 'Amorphophallus titanum', the largest flower in the world, as it blossoms for a second time on late November 19, 2012 at the Botanical Garden in Basel. The flower has a 2.27 meters high yellow pistil and a red-brown petal-shaped funnel. Its tuber weighs more than 30 pounds. Botanical Garden's experts are surprised by the second blossoming, less than 20 months. Many curious are awaited to observe the short-term phenomenon despite the smell of rotting meat generated by the plant. AFP PHOTO / SEBASTIEN BOZON (Photo credit should read SEBASTIEN BOZON/AFP/Getty Images)

  • Visitors of the Botanical Gardens in Copenhagen saw nothing less than a sensation when an Amorphophallus Titanum bloomed for the first time in nine years in Denmark, Friday, June 22, 2012. However, it might be a malodorous experience as the giant plant emits a strong odor of carcass and therefore has been nicknamed the Corpse-flower or Mr. Stinky. (AP Photo/Polfoto/Jacob Ehrbahn) DENMARK OUT

  • In this image provided by the Honolulu Botanical Gardens, the Amorphophallus titanum plant, also known as the "corpse flower" is seen Tuesday, May 15, 2012 in Honolulu. The plant's allure is the foul odor it emits, similar to rotting flesh. Botanical Garden Horticulturist Scot Mitamura says the smell is so rotten, it makes his eyes water. It blooms once every three to five years and officials are bracing for a large crowd of curious visitors eager for a whiff. The donated plant is believed to be the only one on Oahu. (AP Photo/Scot Mitamura, Honolulu Botanical Gardens)