Northeastern Museum of Petrified Wood and Mineral Resources, at present, this area
has a collection of over 10,000 petrified wood pieces. Some are displayed in the
garden. Within this compound, petrified wood was unearthed just beneath the surface
to eight metres underground. The wood discovered is of various sizes from pebbles
to rocks are aged from 1 to 70 million years old.
Khao Yai National Park is the Phanom Dong Rak mountain range. It covers four provinces;
Nakhon Ratchasima, Nakhon Nayok, Saraburi, and Prachin Buri. The jungle here divides
the Central Region and the Northeast. Khao Yai became Thailand’s first national park
on 18 September 1962 and is a ASEAN World Heritage because of its variety of flora
and fauna. The general terrain of Khao Yai National Park consists of mixed forests
Muang Sema Historical Site: The Sema city plan is egg-shaped and is 3 kilometres
wide and 4 kilometres long. The city flourished during the Dvaravati period and was
built around the 12th Buddhist century. It grew until the 16th-17th Buddhist centuries
when it came under Khmer influence. In the area are ruins made of laterite and sandstone
and many artefacts have been unearthed here. The most interesting one is the reclining
sandstone Buddha image and an old religious relic that is now in Wat Thammachak Semaram.
Wat Thammachak Semaram: The place used to be a religious site in the Dvaravati period.
The important artefact here is a huge reclining Buddha image made of red sandstone
that stretches from north to south. It is 13.30 metres long and 2.80 metres high.
It dates from 657 AD. There is an old sandstone Buddhist symbol in the form of a
cartwheel. Other artefacts include bronze Buddha images, fired clay images, glass
beads, a fired clay loom, and a stone inscription tablet. They are on display in
Phimai National Museum.
Ancient Town in Tambon Khorat or Ancient Khorat is considered as the beginning point
of the ancient Khmer civilization in Nakhon Ratchasima. There are overall three remaining
ancient sites; Prasat Non Ku, Prasat Muang Khaek, and Prasat Mueang Kao.
Prasat Non Ku In 1991 – 1992, a lot of archaeological evidence was excavated, creating
an assumption that this place might possibly be a Hindu shrine.
Prasat Muang Khaek It comprises a main sanctuary, two structures of Bannalai (library),
gallery, entrance archways, pond, boundary wall, and a small brick building.