Jungle

A jungle was a very dense forest, usually located in hot climates. The Doctor encountered jungles on many planets in his travels, including an artificial jungle on the Ark. (DW: The Ark)

Jungles on Earth

 * The Amazon was a jungle in South America. (DW: The Green Death et. al.)
 * The First Doctor, John and Gillian visited an unspecified jungle on Earth in 2035 where they encountered the Caterpillar Men. (TVC: The Caterpillar Men)

Jungles on named planets

 * Betrushia (NA: St Anthony's Fire)
 * Catastrophea (PDA: Catastrophea)
 * Chloris (DW: The Creature from the Pit)
 * Deva Loka (DW: Kinda)
 * Eden (DW: Nightmare of Eden)
 * Hondran (DWA: The Hunters)
 * Jenggel (PDA: Combat Rock)
 * Kar-Charrat (BFA: The Genocide Machine)
 * Kembel (DW: The Daleks' Master Plan)
 * Lumana (DWBIT: House Pests)
 * Marinus' Screaming Jungle (DW: The Keys of Marinus)
 * Mechanus (DW: The Chase)
 * Oroobia (NSA: The Doctor Trap)
 * Quorus (Doctor Who Fights Masterplan "Q")
 * Skaro's petrified jungle (DW: The Daleks)
 * Spiridon (DW: Planet of the Daleks)
 * Tigella (DW: Meglos)
 * Zeta Minor (DW: Planet of Evil)

Jungles on unnamed planets

 * The First Doctor, Steven Taylor and Dodo Chaplet defeated Questor in the Jungle of Tropicalus. (DWM: Death to the Doctor!)
 * The First Doctor, John and Gillian searched for an escaped didus in a jungle on an unnamed world which was also inhabited by hostile native tribe. (TVC: The Didus Expedition)
 * The Second Doctor, John and Gillian tested an exploration truck he had invented on in a jungle on an unnamed world, where they also encountered and destroyed a group of Daleks. (TVC: Jungle Adventure)
 * The Second Doctor and Jamie McCrimmon encountered Quarks in a jungle on an unnamed world. (TVC: Jungle of Doom)
 * The Second Doctor rescued Jason Wurlitzer from dwarfs in a jungle on an unnamed world. (TVC: Operation Wurlitzer)