Self-guided Sightseeing Tour #5 in Chennai, India

There have been at least four lighthouses named Chennai Lighthouse or Madras Lighthouse, which face the Bay of Bengal on the east coast of the Indian Subcontinent in Chennai, India.

Wikipedia: Chennai Lighthouse (1977) (EN)

San Thome Church, officially known as St Thomas Cathedral Basilica and National Shrine of Saint Thomas, is a minor basilica of the Catholic Church in India, at the Santhome neighbourhood of Chennai, in Tamil Nadu. The present structure dates back to 1523 AD, when it was built by the Portuguese over the tomb of Thomas the Apostle. In 1896, it was renovated in the Madras province according to neo-Gothic designs, as was favoured by British architects in the late 19th century.

Wikipedia: St. Thomas Cathedral Basilica, Chennai (EN)

Adi Kesava Temple is dedicated to Hindu god Vishnu located in Mylapore, Chennai, in the South Indian state of Tamil Nadu. Constructed in the Tamil style of architecture, dedicated to Vishnu, who is worshipped as Adi Kesava Perumal and his consort Lakshmi as Mayuravalli Thayar. The temple is believed to be the birthplace of Peyalvar, an Alvar saint. It is considered one among the 108 Abhimana Kshethram of Vaishnavate tradition.

Wikipedia: Adikesava Perumal temple, Mylapore (EN)

Sri Ramakrishna Math, Chennai is a monastic organisation for those men who were taught into existence by Sri Ramakrishna (1836–1886), a 19th-century saint of Bengal. The motto of the Ramakrishna Math and Ramakrishna Mission is: "For one's own salvation, and for the welfare of the world". The math in Chennai is the first branch center of the Ramakrishna Order in Southern India. It was established in 1897 by Swami Ramakrishnananda, one of the direct disciples of Sri Ramakrishna. Besides Swami Ramakrishnananda, the Math was visited by Holy Mother Sri Sarada Devi, Swami Nirmalananda, Swami Shivananda, Swami Abhedananda, Swami Premananda, Swami Niranjanananda, Swami Trigunatitananda, and Swami Vijnanananda.

Wikipedia: Sri Ramakrishna Math, Chennai (EN), Website

Tholkappia Poonga or Adyar Eco Park is an ecological park set up by the Government of Tamil Nadu in the Adyar estuary area of Chennai, India. According to the government, the project, conceived based on the master plan for the restoration of the vegetation of the freshwater ecosystems of the Coromandel Coast, especially the fragile ecosystem of the Adyar estuary and creek, was expected to cost around ₹ 1,000 million which will include the beautification of 358 acres of land. The park's ecosystem consists of tropical dense evergreen forest, predominantly comprising trees and shrubs that have thick dark green foliage throughout the year, with over 160 woody species, and comprises six vegetative elements such as trees, shrubs, lianas, epiphytes, herbs and tuberous species. The park was opened to public by Chief Minister M. Karunanidhi on 22 January 2011 and named after the renowned Tamil scholar Tholkappiar. About 65 percent of the park is covered by water and artefacts and signages. In the first 2 months of its inauguration, nearly 4,000 children from several schools in the city and the nearby Kancheepuram and Tiruvallur districts have visited the park to learn about wetland conservation, eco-restoration and water management. While the first phase of the ecopark covered about 4.16 acres of CRZ-III area, the entire area covered under the second phase falls under this category.

Wikipedia: Tholkappia Poonga (EN)