Darien Gap is a lethal break in the Pan-American Highway

The Darien Gap: a 60-mile (96 km) chunk of the Pan-American Highway that's missing! Forget driving through Central America; this wild stretch between Panama and Colombia makes it practically impossible.

Imagine a dense jungle, a haven for guerrilla fighters and drug runners – that's the Darien Gap. Only a handful of expeditions, think off-road vehicles and serious survival skills, have ever made it through.

This 50 km wide gap, a mix of watershed, forest, and mountains, stretches from the Atlantic to the Pacific. It's notorious as a drug-smuggling route, making it a no-go zone for most. We're talking lawless wilderness, deadly snakes, and antigovernment guerrillas. Migrants brave this passage, risking their lives.

There's no road linking Colombia and Panama. Vehicles? You'll have to ship them. Environmental concerns and political gridlock have kept this area a sprawling 10,000 square miles of untamed jungle and swampland. Forget a leisurely drive; even the most tricked-out 4x4 isn't a good idea here due to Colombian guerrilla groups lurking. Some expeditions have crossed it, combining land and river travel.

Crossing the Darien Gap? Definitely not recommended. If you're heading between Colombia and Panama, consider flying or looking into ferry services. Building a road here is costly, environmentally damaging, and politically fraught. This gap is the missing link of the Pan-American Highway and remains largely untouched by the modern world.

While violence keeps travelers away, it also hinders conservation efforts. Farmers and loggers are encroaching on the rainforest, slowly breaking down the natural barrier. If conflicts subside, there will be pressure to complete the road. But, that would require strict border controls, as nature can no longer be relied on for defense.