Prasat Angkor Wat, or Angkor Wat Temple, is one of the largest religious monuments in the world, featuring a spectacular moat that encloses temple grounds with grand entrances and causeways leading to the massive multi-level, multi-towered ornate sandstone temple. It’s the main attraction of the massive Angkor Archaeological Park of Siem Reap and the nation of Cambodia. 

Built during the reign of Khmer King Suryavarman II in the early 12th century as a Hindu temple dedicated to Vishnu and now a Theravadin Buddhist temple having converted along with changes in the state religion. 

The temple is iconic for its spectacular arrangement of a quincunx of towers, the stunning bas-reliefs, and, as an incredible feat of ancient architecture that sat at the center of the world’s largest pre-industrial city, Yasodharapura (present-day Angkor). 

Standing proudly, since 1190 AD, at the exact center of the massive Angkor Thom complex, the magnificent Bayon temple was one of the last temples to be built at Angkor and is famous for its 216 massive stone faces, which look out in all directions. The curious smiling faces, thought by many to be a portrait of King Jayavarman VII himself or a combination of him and Buddha, are an instantly recognizable image of Angkor.

The Bayon rises through three levels to a height of around 140 feet. The outer gallery on the first level is home to some well-preserved bas-reliefs which are thought to depict scenes of everyday life and historical events, featuring everything from armies to acrobats, while the inner gallery on the next higher level depicts mythical figures and stories. The third level is where you will encounter the faces, which surround you. In fact, it is difficult to find a spot where their eyes will not be watching you.

Ta Prohm is undoubtedly one of the best places to see at Angkor Wat. This evocative and photogenic ruin gained fame as the atmospheric setting for the 2001 action film Tomb Raider, and for once, it is worth every bit of the hype. Gigantic trees and tree roots are intertwined with the crumbling stone structures giving it an eerie quality.

This is a great example of how many of the temples would have looked when they were first rediscovered after having been abandoned after the fall of the Khmer Empire in the 15th century and subsequently swallowed up by the jungle. Ta Prohm is said to be the first built entirely of sandstone and features a five-tiered pyramid with steep staircases on each side.  The temple was home to more than 12,500 people, including 18 high priests, while an additional 80,000 Khmers, living in the surrounding villages, were required to maintain the temple.

If Angkor Wat and other temples are a testimony to the genius of the ancient Khmers, Ta Prohm equally reminds us of the humbling power of nature.

Named the ‘Citadel of Cells’, little is known about this mysterious temple. It is presumed that Banteay Kdei was a Buddhist monastery as hundreds of Buddha statues have been excavated from the site. The temple was probably built in the 12th century, and after the collapse of the Khmer Empire it remained neglected and covered with vegetation for hundreds of years. 

Srah Srang (Royal Bath") is a baray or reservoir at Angkor, Cambodia, located south of the East Baray and east of Banteay Kdei. 

Sras Srang was dug in the mid-10th century, by initiative of Kavindrarimathana, Buddhist minister of Rajendravarman II. It was modified around the year 1200 by Jayavarman VII,  who added the laterite landing-stage at its western side, probably because the East Baray had been overwhelmed by sediment and had begun malfunctioning.

At present Srah Srang measures 700 by 350 m and is still partially flooded. As other barays, maybe there was a temple standing on an artificial island in the middle of it, as suggested by finding of a basement. The landing-stage, opposite the entrance to Banteay Kdei, is a popular site for viewing the sunrise. It is cruciform, flanked by nāga balustrades which end with the upright head of a serpent, mounted by a garuda with its wings unfurled. The steps that lead down to the water are flanked by two guardian lions.

Angkor Thom (meaning "Great City"), alternatively Nokor Thom , located in present-day Cambodia, was the last and most enduring capital city of the Khmer Empire. It was established in the late twelfth century by King Jayavarman VII. It covers an area of 9 km², within which are located several monuments from earlier eras as well as those established by Jayavarman and his successors. At the centre of the city is Jayavarman's state temple, the Bayon, with the other major sites clustered around the Victory Square immediately to the north. The site is one of the major tourist attractions of Southeast Asia. 

The Phnom Kulen mountain range is located 30 kilometres (19 mi) northwards from Angkor Wat. Its name means "mountain of the lychees". There is a sacred hilltop site on top of the range.

Phnom Kulen is considered a holy mountain in Cambodia, of special religious significance to Hindus and Buddhists who come to the mountain in pilgrimage.

Near these mountains is Preah Ang Thom, a 16th-century Buddhist monastery notable for the giant reclining Buddha, the country's largest. 

Phnom Kulen has major symbolic importance for Cambodia as the birthplace of the ancient Khmer Empire, for it was at Phnom Kulen that King Jayavarman II proclaimed independence from Java in 802 CE. Jayavarman II initiated the Devaraja cult of the king,  a linga cult, in what is dated as 804 CE and declaring his independence from Java of whom the Khmer had been a vassal state.