The entire length of the border is marked by a 20-foot-wide slash through the trees.

The only land territory disputed between the U.S. and Canada.

This disputed mass of ice is home to the highest battleground on Earth.

A long-disputed island that Denmark and Canada claim by periodically alternating flags and bottles of liquor.

A seemingly desolate park that belongs to two countries actually supports all kinds of wildlife.

The most disputed archipelago in the world.

This phantom island appeared on maps for over a century before amateur radio enthusiasts beat Google Earth to the punch in its "undiscovery."

At the point of oceanic inaccessibility, you can't get farther from dry land without leaving the planet.

The world's largest aggregation of great white sharks is at a mysterious spot in the middle of the ocean.

Fascination continues to surround one of history's most infamous shipwrecks.

A busy island at the center of the world that doesn’t actually exist.

Land that belongs to no nation.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Sculptures of religious figures made from the ashes of pilgrims' incense.

Amelia Earhart's possible place of death.

Alexander Hamilton, a founding father for the United States, was an immigrant and born on Nevis.

"The country that ate itself."

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

The oldest café in Montevideo preserves its history as the city's bohemian hub.

This "witch's market" is filled with Amazonian herbs, remedies, and the occasional libido-strengthening tincture.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.