Thailand

Andaman Sea

The Phi Phi Islands are an island group in Thailand located in the Strait of Malacca between the large island of Phuket and the Straitscoast in the Krabi Province The islands are administratively part of Krabi Province. Ko Phi Phi Don is the largest and most populated island of the group, although the beaches of the second largest island, Ko Phi Phi Le are visited by many people as well.

Kanchanaburi

A seven-tiered waterfall of emerald pools in the jungle.

Surat Thani

Khao Sok National Park is in Surat Thani Province, Thailand. Its area is 461,712 rai ~ 739 square kilometres (285 sq mi), and it includes the 165 km2 (64 sq mi) Cheow Lan Lake contained by the Ratchaprapha Dam.

Krabi

Railay, also known as Rai Leh, is a small peninsula between the city of Krabi and Ao Nang in Thailand. It is accessible only by boat due to high limestone cliffs cutting off mainland access.

Chiang Mai

Doi Inthanon is the highest mountain in Thailand. It is in Chom Thong District, Chiang Mai Province.

Andaman Sea

The Similan Islands is a continental archipelago in the Andaman Sea off the coast of, and part of, Phang Nga Province in southern Thailand. It is the maritime border between India and Thailand.

near Phuket

Phang Nga Bay is a 400 km2 (150 sq mi) bay in the Andaman Sea between the island of Phuket and the mainland of the Kra Isthmus of southern Thailand. Since 1981, an extensive section of the bay has been protected as the Ao Phang Nga National Park.

Ubon Ratchathani

Sam Pan Bok also known as the "Grand Canyon of Thailand" is a seasonal attraction and the biggest rock reef in the Mekong River. Sam Phan Bok is a group of sandstone that has been eroded by streams from the Mekong River every rainy season until this area now has more than 3,000 bok with countless basins and potholes.

Tak Province

The Thi Lo Su Waterfall is claimed to be the largest and highest waterfall in Thailand. It stands 250 metres (820 ft) high and nearly 450 metres (1,480 ft) wide on the Mae Klong River, flowing down from Huai Klotho into the Umphang Wildlife Sanctuary in Tak Province in northwestern Thailand.

central Thailand

Khao Yai National Park is a national park in Thailand. Established in 1962 as Thailand's first national park, it is the third largest national park in Thailand.