A small village in two different countries.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

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 ambitious attraction was the brain child of a lake resort impresario, and built by the WPA.

This stone incorrectly marks the 35th parallel, causing some territorial kerfuffles.

Located close to a movie studio lot, this restaurant has a long history of star-studded patronage.

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

Giant disc-shaped gate took 20 men to close off this city in Madagascar.

This uninhabited volcanic island is the most remote in the world.

Every winter, this tiny islet on Florida’s Gulf Coast is swarmed by some of the largest birds on the continent.

A mailbox that saved a nature reserve.

A wildlife-filled oasis just off the coast of Myrtle Beach.

This unique tower has been home to malaria-fighting bats for 100 years.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

Three tiny islands in a Portsmouth pond are at the center of disputed land claims from a number of competing micronations.

Collected from all around Seoul, thousands of secondhand books create this photogenic tunnel.

A small self-proclaimed micro-state located on a piece of disputed territory between Croatia and Serbia, near Liberland.

In 1977, an eccentric book lover formed a micronation for book lovers.

A hotly contested micro-nation off the coast of Montserrat.

A city continually buried under the ash of a volcano that has been erupting for more than 15 years.

Legend says those who drink from this trickle of water are destined to return to Montserrat.

A rare underwater observatory in the Caribbean that provides breathtaking views of vibrantly colored aquatic life.