Peru

Why it sticks

1. 1

   Machu Picchu and the old Inca capital Cusco were the heart of the Inca Empire, the largest empire in pre-Columbian America.

2. 2

   The potato was domesticated here, and Peru grows more than 3,000 varieties.

3. 3

   Lake Titicaca, shared with Bolivia, is often called the highest navigable lake in the world.

4. 4

   The Nazca Lines are giant ancient drawings in the desert, best seen from the air.

• Black and white striped signposts, often with concrete blocks at the base, are unique in South America.
• White plates, and taxis with plates that are yellow on top and white below.
• Generation 3 uses a black or white car. There is also Gen 4 and smallcam imagery, which Bolivia lacks.
• Guardrail stripes are black and yellow with black on the outside, the reverse of Bolivia.
• Triangular red or yellow concrete bollards and black and white concrete kilometre markers.
• Very dry, sandy coastal desert, high Andes, or Amazon jungle.