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.

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.

Prinsep Ghat is a historic ghat located along the Hooghly River in Kolkata, built in 1841 during the British Raj. It was constructed as a memorial to James Prinsep, an Anglo-Indian scholar and antiquary who made significant contributions to Indian history and culture, including deciphering the Brahmi script. The ghat features a Palladian porch with Greek and Gothic inlays, designed by W. Fitzgerald. Initially, it served as a principal point of embarkation and disembarkation for British dignitaries visiting Kolkata.

Birla Planetarium, officially known as M. P. Birla Planetarium, is situated on Chowringhee Road in Central Kolkata, adjacent to the Victoria Memorial and St. Paul's Cathedral. It is the largest planetarium in Asia and the second largest in the world. Inaugurated on July 2, 1963, by Jawaharlal Nehru, it was designed in a style inspired by the Buddhist Stupa at Sanchi. The planetarium offers educational shows on astronomy and space science in multiple languages, including Hindi, Bengali, and English, with occasional shows in other regional languages.

Eco Park, also known as Prakriti Tirtha, is a massive urban park situated in New Town, Kolkata. Spanning 480 acres, it includes a 104-acre waterbody, making it the largest urban park in India. The park was conceptualized by Mamata Banerjee, the Chief Minister of West Bengal, and inaugurated on December 29, 2012. It features diverse ecological zones such as wetlands, grasslands, and urban forests, along with theme gardens and recreational spaces. Visitors can enjoy boating, cycling, and walking through various gardens like the tropical tree garden, bamboo forest, and butterfly garden.