Kalighat Kali Temple is one of the most prominent Shakti Peeths in India, located in Kolkata, West Bengal. It is believed to be the site where the right toes of Goddess Sati fell during Lord Shiva's Tandava, making it a sacred place for devotees of Shaktism. The temple's current structure was built in 1809 by the Sabarna Roy Chowdhury family, although references to the temple date back to the 15th century in texts like Mansar Bhasan and Kavi Kankan Chandi. The idol of Goddess Kali is unique, featuring three huge eyes and four gold hands, crafted by saints Atmaram Giri and Brahmananda Giri.

Science City in Kolkata is a premier science center and park, inaugurated in 1997 under the National Council of Science Museums. It is the largest science center in the Indian subcontinent, aiming to popularize science through interactive exhibits and immersive experiences. The complex includes several key attractions such as the Dynamotion Hall, featuring exhibits on illusions, powers of ten, and a freshwater aquarium; the Earth Exploration Hall, which showcases the Earth's geography and natural phenomena; and the Space Odyssey, a space theater with a planetarium offering shows on space sciences.

Dakshineswar Kali Temple is a prominent Hindu temple located on the eastern banks of the Hooghly River in Kolkata, West Bengal. It was built in 1855 by Rani Rashmoni, a philanthropist and devotee of Goddess Kali, after she received a divine vision instructing her to construct the temple. The temple complex is renowned for its traditional Bengali architecture, featuring a nine-spired main temple dedicated to Kali, known as Bhavatarini, and twelve smaller temples dedicated to Lord Shiva. The temple gained spiritual significance due to its association with Ramakrishna Paramahansa, who served as its chief priest for over three decades.

Howrah Bridge, officially known as Rabindra Setu, is a steel-balanced cantilever bridge spanning the Hooghly River in West Bengal, India. It was commissioned in 1943 and replaced an earlier pontoon bridge that connected Kolkata and Howrah. The bridge is an iconic landmark and engineering marvel, designed by Rendel, Palmer and Tritton. It was constructed using 26,500 tons of steel, with 23,000 tons supplied by Tata Steel. The bridge is notable for being built without nuts and bolts, using rivets instead. It is the busiest cantilever bridge in the world, handling over 100,000 vehicles and more than 150,000 pedestrians daily.

The Victoria Memorial is a majestic monument located in the heart of Kolkata, built between 1906 and 1921 by the British Raj. It was dedicated to Queen Victoria, who served as the Empress of India from 1876 to 1901. The idea for the memorial was conceived by Lord Curzon, the Viceroy of India, as a tribute to Queen Victoria's reign. The foundation stone was laid by the Prince of Wales (later King George V) in 1906. The memorial is a blend of classical and Neoclassical architectural styles, featuring Indo-Saracenic elements. It stands on 64 acres of gardens and houses a museum with 25 galleries showcasing Indian history during the British Raj.