After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

Ninety years of Sydney buses under one roof.

This 13th century Gothic brick castle is the largest in the world by surface area.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Propped high atop the peak of Mount Gamsutlmeer, this abandoned village is one of the oldest settlements in the region.

The beautiful baroque library of the Hapsburg empire.

Many Hindus make the long pilgrimage to this holy city to have their remains burned on the banks of the Ganges River.

The remains of what was, not so long ago, the world's largest city.

999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

Every equinox this Maya pyramid puts on a spooky ancient light show.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Where the Great Wall of China meets the sea.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A fiery crater has been burning in the Karakum Desert since 1971.

The "Seinfeld" diner.

Northern Ireland's Brobdingnagian stepping stones.

An ancient capital city that dates back 3,000 years old and harbors many surprises.