The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

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

These towering cliffs jut dramatically from the middle of a barren desert.

Village of slate houses, built on a white marble outcrop.

The Thai Army has dug deep trenches along the Thai/Myanmar border to prevent drug smuggling.

The ruins of a massive World War I fort overlook the border between Zambia and Tanzania.

A strip of neutral ground where the people of Tajikistan and Afghanistan come together to trade.

This no man's land slicing through the island is strewn with abandoned relics of another time.

A small part of Russia that does not touch any other part of Russia.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

You can cross from one country to another in a single hop on this little bridge.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This New England drive-in was built to straddle the border between two states.

The California secessionist movement has its own foreign embassy, in Russia of all places.

This fortified sand barrier dividing a contested territory is the longest minefield in the world.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

Ruins of a former government building destroyed during the Georgian-Abkhaz war in the wake of the fall of the Soviet Union.

The oldest known European structures in Australia are the remnants of a story filled with mutiny, murder, jealousy and greed.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

The longest fence in the world stretches over 3,000 miles to keep the dingoes out.

Giant art made in Japanese rice fields.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.

Thanks to this small string of islands World War II still hasn't officially ended between Russia and Japan.