Ancient Settlements & Megalithic Monuments
Kanmazhu (pebble butted hand axe)

Kanmazhu is the Paleolithic weapon recovered from Palakkad river beds. According to the father of primitive history, Robert Bruce Foote, Kerala had no Paleolithic period. However, in the 1970’s Michael Todd, RV Joshi, and P. Rajendran discovered prehistoric monuments. Such monuments are found only in north western India, on the banks of the Beas river and in Deccan.
EDAKKAL CAVES

Edakkal Caves, 8000 years old, is a prehistoric site and petroglyphs. Discovered by a British police officer Fred Fawcett in 1894. It is the only ancient Stone Age carving situated at Ambukuthi Hills, Wayanad, Kerala. Edakkal petroglyphs still exist in Gond tribal paintings in Chhattisgarh and Madhya Pradesh.
Kudakkallu and Thoppikkallu

Stone Age people believed in the after life. The monuments, Kudakkallu & Thoppikkallu are where people bury their dead. Prehistoric megalithic burial site in Cheramangad, Thrissur has 69 megalithic structures spread over a small area. Different types of burials are observed here and the Archaeological Survey of India (ASI) estimate the date of construction to be around 2000 BC.
Pathikkallu

Pathi means ‘hood of a snake’. Pathikkals are unique to the Kerala region, and are dressed blocks of laterite arranged in a way that they resemble a snake’s hood.
Dolmens
Dolmens are the type of stone monument found in a variety of places throughout Kerala. It is made of two or more upright stones with a single stone lying across them. Muniyara Dolmens are magnificent prehistoric dolmens situated in Marayur, Idukki. This belongs to the Neolithic age.
Rock-cut cave

Rock-cut caves are unique laterite monuments found on the west coast of India. These subterranean caves may have single or multiple chambers. Stone benches are sometimes carved into the sides of the monument, with burial goods placed on and under them. Some rock-cut caves have portholes as well.
Eyyal Burial Caves

Burial caves are prehistoric megalithic rock cut caves. The site is located in the Eyyal district of Thrissur. Roman coins from the republican period were unearthed hereby the Archaeological Survey of India (ASI). The coins date back to the first century.
Chowannur Burial Cave

A prehistoric megalithic rock cut cave located in Chowannur, Thrissur. Has a single entry that takes visitors into a circular chamber the only one in the cave. This site is a centrally protected monument under the Archaeological Survey of India (ASI).