The most biologically diverse protected area in Africa is also the most dangerous.

There is only one place in the world where the corners of four nations come together.

Ride in 1960s style on the private luxury train Marshal Josip Tito used to travel around Yugoslavia.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

A unique museum dedicated to the famed Soviet director and other cinema greats.

The oldest housing complex in Riga is a mini timeline of architectural trends.

3,000 market stands in five former Zeppelin hangars.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

The world's northernmost aquarium looks like it has fallen over.

Norway has built what may be the world's most beautiful public toilet.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

The world's northernmost brewery uses water from a 2,000-year-old glacier to create its beer.

Cold storage for agricultural biodiversity.

Napoleon’s home in exile, decorated with poisonous wallpaper.

Ten shipwreck-shaped chalets lie along the sand dunes on Namibia’s Skeleton Coast.

Remote, volcanic island that Darwin, Hooker, and the Royal Navy shaped into a thriving, artificial ecosystem.

The world's most remote permanent settlement on an active volcano.

This staircase full of Mayan hieroglyphics is perhaps the largest single text in the world.

A Mayan village preserved for centuries in volcanic ash.

An elaborate, hidden model train in the Needham Town Forest.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.