Papua New Guinea's rugged highlands hold one of aviation's greatest mysteries - the disappearance of legendary aviator Amelia Earhart in 1937. This remote Pacific nation became the focus of Josh Gates' compelling investigation on Expedition Unknown, as he trekked through uncharted tribal territories searching for new evidence of Earhart's final flight. The country's mountainous terrain and dense jungles have kept this mystery alive for decades, making it a fascinating destination for adventure seekers and history enthusiasts alike.
Papua New Guinea is an island country in Oceania comprising the eastern half of the island of New Guinea and hundreds of offshore islands in Melanesia, covering approximately 462,840 km² (178,700 mi²) of some of the world's most rugged and remote terrain. The country is extraordinarily diverse, home to 840 known spoken languages—making it the most linguistically diverse nation on Earth—and a highly rural population estimated between 11.8 and 17 million people. The mountainous geography supports around 5% of all known species and has historically made large-scale searches extremely challenging. Josh Gates investigated this remote region as part of his search for new evidence regarding Amelia Earhart's 1937 disappearance, trekking into uncharted tribal lands where the aviator's plane may have crashed during her attempted circumnavigation of the globe.
Territory divided between German New Guinea in the north and British Territory of Papua in the south
British Territory of Papua ceded to Australia
Amelia Earhart disappeared during circumnavigation attempt; Papua New Guinea proposed as possible crash site
Site of fierce fighting during World War II New Guinea campaign
Two territories united under Australian control
Papua New Guinea gained independence as a Commonwealth realm
Gates' Expedition Unknown investigation into Earhart disappearance evidence
Papua New Guinea has long been considered among the possible crash sites for Amelia Earhart's Lockheed Electra during her ill-fated 1937 attempt to circumnavigate the globe at the equator. The country's extraordinarily rugged geography—characterized by steep mountain ranges, dense jungle, and limited infrastructure—has made comprehensive search efforts historically difficult, if not impossible in many areas. Unlike more thoroughly searched Pacific islands, vast swaths of Papua New Guinea's interior remained largely inaccessible to Western investigators for decades following Earhart's disappearance.
The Earhart mystery has generated numerous theories over the decades, with proposed crash sites ranging from the Marshall Islands to Nikumaroro (Gardner Island) to various locations in Papua New Guinea. Mainstream historians and aviation experts generally acknowledge that without definitive physical evidence—wreckage positively identified through serial numbers, confirmed human remains, or documented eyewitness accounts—any proposed crash site remains speculative. The challenge in Papua New Guinea is compounded by the fact that the country hosts 840 spoken languages across highly diverse and traditionally isolated communities, making information gathering from local oral histories both critical and complex.
Gates' investigation brought attention to the practical difficulties of searching Papua New Guinea's interior: the mountainous terrain that supports around 5% of all known species also conceals potential crash sites beneath dense canopy and difficult topography. The episode explored whether local knowledge from tribal communities—some of whom maintain traditional lifestyles explicitly protected by Papua New Guinea's Constitution—could provide leads that aerial or satellite searches might miss. While the episode did not produce definitive proof of Earhart's fate, it illustrated why Papua New Guinea remains a plausible, if difficult-to-investigate, location.
The broader Earhart search community continues to debate various theories, with different expeditions focusing on different Pacific locations. Papua New Guinea represents one of the less-explored possibilities precisely because of the logistical challenges Gates encountered on camera—challenges that have limited systematic archaeological investigation of the country's most remote regions.
Papua New Guinea is the most linguistically diverse country in the world, with 840 known spoken languages among its estimated 11.8 to 17 million people.
The country's mountainous geography supports approximately 5% of all known species on Earth.
Nearly 40% of Papua New Guinea's population consists of subsistence farmers living relatively independently of the cash economy.
In March 2025, Papua New Guinea's constitution was amended to adopt Christianity as the official state religion, reflecting its large Christian majority population.
Visiting Papua New Guinea's remote interior regions requires significant preparation, including permits, guides familiar with local tribal customs, and logistical support for areas with limited infrastructure. Port Moresby, the capital, serves as the main entry point, but reaching uncharted tribal lands like those Gates investigated typically requires charter flights, extended treks, and coordination with local communities. Visitors should consult current travel advisories and consider guided expeditions, as the country's highly rural character (only 14% of the population lives in urban centers) means much of the terrain remains challenging to navigate independently.
Port Moresby, the capital; distance to remote investigation sites varies widely given the country's 462,840 km² area.
Papua New Guinea's tropical climate is generally warm year-round, but the dry season from May to October offers better conditions for trekking and jungle exploration. The wet season from December to March can make already difficult terrain even more challenging to access.
Cayman Islands Ocean Floor
Gates has investigated multiple aviation disappearance mysteries involving remote oceanic and island searches requiring similar expedition logistics.
Bahamas - Maravillas Wreck Site
Another Gates investigation of historical aircraft wreckage in challenging maritime environments.
Atlantic Ocean crash site (White Bird)
Gates explored this Atlantic crash site of a missing aircraft in another aviation mystery investigation involving remote search areas.
Best time to visit: Visit during the dry season from May to October when mountain trails are more accessible and weather conditions favor exploration of remote highland areas.
Travel tip: Hire experienced local guides familiar with tribal protocols and remote terrain, as many areas require special permits and cultural sensitivity when visiting traditional communities.
Historical data sourced from Wikipedia