Ta Prohm was built by King Jayavarman VII 1125 - 1215 AD. It was a temple dedicated to his mother (while Preah Khan
was for his father). King Jayavarman VII built many rest houses and hospitals during his reign. He was also known as the Buddha King. Ta Prohm was the famous Tomb Raider Temple of Laura Croft.
Entrance: US$ 40 (can be bought from Angkor Ticket Booth north of Siem Reap)
You can reach there by tuk tuk or bike (US$2/day).