A historic scientific breakthrough that crosses nine borders.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

Ferdinand Magellan dubbed the world's largest water village the "Venice of the East."

A symbol of Islam in oil-rich Brunei.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This spooky road cut through a mound of ancient coral might be haunted by a witch.

The highway's southernmost spot is a beloved local attraction.

"We Seceded Where Others Failed."

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A building so large that it has its own weather.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

A crumbling cathedral condemned by an earthquake.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

A full-size replica of this well-preserved temple lets you take a walk through the Mayan age.

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

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A museum dedicated to secret surveillance.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Towering at a height of over 30 meters, this turn-of-the-18th-century landmark is the tallest temple in Nepal.

The former stronghold of the Malla Dynasty has remained virtually unchanged since the 17th century.