1. Royal Palace of Baiknthapur Royal Estate, at Rajbaripara. The building has made in the early of twentieth century in place of the old palace made by Raja Jayantadev Raikot. The awe inspiring view of the royal palace gate can definitely catch any spectator. It is Asia's largest reinforced arch structure without any use of concrete.
2. Several lakes in Rajbari Palace ground among them, the largest one excavated in the time of Raja Sarbadev Raikot by famous contractor Deenu Gomasta of Dinajpur somewhere around the middle of nineteenth century.
...
more...

3. Raipur Tea Estate,Rangdhamali,Jalpaiguri.
4. Jalpaiguri Nawab Bari.
5. Jubilee Park, a park located on the spurs of the River Teesta, from where one can get a sprawling beauty of the Sunrise and Sunset
6. India's first Forensic Science laboratory in the Police Lines, Racecourse Para.
7. King Shaheber Ghat
8. Rabindra Bhawan (also called the Arya Natya Samaj), one of the pioneering cultural centre of the city since the early of the twentieth century.
9.The River Teesta.
10. Teesta Udyan, a children's park along the banks of the River Karala.
11.Sarojendra Deb Raikat Kala Kendra, an Art Gallery opposite the Town Club Stadium.
12. Town Club Stadium'
13. Jogomaya Kalibari, a famous temple dedicated to the Goddess Kali on Temple Street. It also houses a temple of Baba Loknath.
14. Durga Puja, especially "The Ravana Badh" at Babupara
15. Devi Bhramari Temple near the village of Boda on the banks of river Teesta which is regarded as
one of the 51 Shakti peethas of India. People believed that the sacred left toe of Devi Sati has fallen after the famous daksha-yajna.
16. Several Tea Gardens (Karala Valley Tea Garden, Raipur Tea garden, Jaipur Tea garden, Denguajhar T.G.) are very near to Jalpaiguri Town and are worth a visit.
17. GOSALA mela near Denguajhar (Organised by Shri Baikunthnath Pinjrapol Gosala)
18. Devi Chaudhurani Mandir- It is believed that Devi Chaudhurani the bandit queen from the novel of Bankim Chandra Chatterjee, has her Kali Temple near the bank of Karala and has an underground sub-way till the banks of Teesta.
.
source : click here