Gaur, also known as Lakhnauti, was the capital of the Bengal Sultanate from the 13th to the 16th century. It is located in the Malda district of West Bengal and is known for its impressive fortifications, mosques, and other historical structures.

Pataliputra, the capital of the ancient Magadha kingdom, was located in present-day Patna, Bihar. It was a major center of trade and culture in ancient India and is mentioned in several historical texts.

Konark is famous for its Sun Temple, which is a UNESCO World Heritage Site. The temple is dedicated to the Hindu god Surya and is known for its intricate carvings and architectural beauty.

Rajgir, located in Bihar, was an important center of Jainism and Buddhism in ancient India. It is believed that Buddha spent some time in Rajgir and delivered several sermons there.

Nalanda was a renowned ancient university and a major center of learning in India. It was established in the 5th century CE and attracted scholars from all over Asia. Nalanda is considered one of the earliest universities in the world.

Vaishali, located in Bihar, was an important city in ancient India. It was the capital of the Vajji confederacy and is mentioned in several Buddhist and Jain texts. Vaishali is also known for its association with the Buddha.

Puri is famous for its Jagannath Temple, which is one of the most sacred Hindu temples in India. The temple is dedicated to Lord Jagannath, a form of Vishnu, and is visited by millions of pilgrims every year.

Tamralipta, located in West Bengal, was an important port city in ancient India. It was a major center of trade and commerce and is mentioned in several historical texts. Tamralipta is also known for its association with the Pala dynasty.

The Barabar Caves are a group of rock-cut caves located in Bihar. They were excavated in the 3rd century BCE and are known for their unique architecture and inscriptions. The caves are associated with the Ajivika sect and are considered to be among the earliest examples of rock-cut architecture in India.

Vikramshila was an ancient city and a major center of learning in Bihar. It was established in the 8th century CE and was known for its Buddhist university. Vikramshila attracted scholars from all over Asia and played an important role in the development of Buddhist thought and philosophy.

Bhubaneswar is famous for its Lingaraja Temple, which is one of the most important Hindu temples in India. The temple is dedicated to Lord Shiva and is known for its intricate carvings and architectural beauty.

Kamarupa was an ancient kingdom and a major center of culture and learning in Assam. It was ruled by the Varman dynasty and is known for its contributions to art, literature, and architecture. Kamarupa is also associated with the Kamakhya Temple, which is one of the most important Hindu temples in India.

Sanchi is an archaeological site in Madhya Pradesh, not Bihar. It is famous for its ancient stupas, which are Buddhist monuments. The stupas at Sanchi are among the oldest and most well-preserved Buddhist structures in India.

Hampi is an archaeological site in Karnataka, not East India. It was the capital of the Vijayanagara Empire and is known for its impressive ruins, including temples, palaces, and fortifications. Hampi is a UNESCO World Heritage Site.