This private residence, built in 1835, houses eclectic artwork, sculptures, and even a zoo. It's a rare peek into the fusion of Victorian decor with Indian heritage and offers elements not found in standard museums. The palace is still a family home, adding an unusual personal touch to the visitor experience.

This old cemetery, dating back to 1767, is known for its unique eerie beauty with moss-laden tombs. It offers a serene space amidst the city's hustle and gives a glimpse into colonial history. It's a favorite among history buffs and photographers alike.

A unique museum and entertainment venue founded by P.C. Sorcar Jr., featuring magic shows and ancient history of illusion. It caters to thrill-seekers interested in the mystical arts. The wizard performances make it an exciting adventure for visitors.

Known as the Mother House, it is the headquarters of the Missionaries of Charity. It offers insight into the life and work of Mother Teresa, with her tomb located here. This site delivers a profound experience of spiritual and humanitarian significance.

While not exclusive, Science City offers a strange yet fascinating array of fun exhibits that combine education with entertainment. Its quirky presentations make complex scientific concepts accessible. It includes attractions like the Space Odyssey and a 3D theater.

This ancestral home of the Tagore family is where Rabindranath Tagore spent much of his life. A museum now runs here, showcasing artifacts and memories of the poet laureate, making it culturally significant. Its uniqueness lies in capturing the essence of Tagore's philosophy.

The Indian Museum holds bizarre treasures, including fossils, mummies, and ancient artifacts. As India's oldest and largest museum, its oddities make it an unmissable oddity. Its dinosaur skeletons and ancient relics are particularly atypical attractions.

This huge urban park contains miniatures of world landmarks, such as the Eiffel Tower and the Great Wall of China. Its quirky exhibits alongside lakes offer a surreal, picturesque escape from city life. For those interested in diverse landscapes in a single space, this is ideal.

Nicco Park is a quirky amusement park and called the "Disneyland of West Bengal." It features unique rides and attractions such as the Giant Cyclone and a 4D movie theater. This fun-filled adventure park is perfect for those seeking thrill and nostalgia.

Known as Boi Para, this street is filled with make-shift bookshops, many holding rare, weird, and second-hand books. It's a must-visit for bibliophiles seeking out-of-print treasures. The unique hustle and bustle give it a vibrant character distinct from other attractions.

A historic palace that stands testament to Bengal's rich heritage, this family house is the site for the famous Durga Puja. Visitation grants insight into community traditions and cultural festivities. The traditional architecture adds another layer of distinct charm.

Known as Chinatown, Tangra offers an unusual culinary experience blending Chinese with Indian flavors. This area showcases the cultural intersections unique to Kolkata. It's home to family-run Chinese restaurants that serve remarkably distinctive dishes.

This potters' quarter is where statues for Kolkata's many festivals are made, giving an insight into the art behind India's festivals. Observing artisans at work here unfolds a unique story with every clay mold. The intricate craftsmanship is a visual treat for art lovers.

This is a man-made lake offering an unusual natural tranquility amidst urban chaos. It's a famed spot for both morning walkers and evening strollers seeking peace in nature. The biodiversity around the lake adds to its odd charm.

This mosque stands out with its unusual architectural blend of Islamic and Indian styles. Unlike typical mosques, it offers insight into Tipu Sultan's vision of religious harmony. Non-Mulsims are welcome, a distinct openness compared to many religious sites.

An iconic colonial building, Metcalfe Hall forms a unique piece of the city’s British architectural legacy. It houses the Asiatic Society of Bengal, presenting rare historical documents. Its architecture itself offers a peek into an era gone by unknown to many.

This bustling flower market near Howrah Bridge offers a riot of colors and scents unlike any other in the city. The chaotic yet vivid surroundings make it an unusual experience for photographers and those interested in daily Indian life. It is Asia’s largest wholesale flower market, adding to its vibrancy.

Claimed as Asia’s largest planetarium, its odd charm lies in the unique experience of exploring celestial wonders. The starry presentations create an enchanting environment perhaps unusual in busy metropolitan settings. It offers insights that balance fun and education.

This 1843 Greek and Gothic-inspired riverside ghat offers an atypical serene view, contrasting with the bustling cityscape. It provides the perfect location for a peaceful retreat alongside the Hooghly River. The view of Vidyasagar Setu at sunset presents an unusual visual splendor.

This temple complex is notable for its spectacular design adorned with intricate mirror work and stained glass. It offers an insight into Jainism, often overlooked yet captivating in Kolkata. The spiritual ambiance is unusual amidst fast-paced city life.