The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

This stunning concert hall has become a symbol of Iceland's national recovery.

Man-made geyser that rises to the exact height of the Gateway Arch.

This ancient theater was once the home of fierce gladiatorial battles.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This striking, two-toned confluence of rivers is visible from space.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

The ancient remains of this natural fortress can still be found along the Silk Road looking surprisingly preserved.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

This black shoreline is made up of exploded lava particles.

Peek into the world of those creating the beautiful, delicate paper parasols found all over the globe.

This psychedelic tourist trap is a leisurely descent into madness.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

This enchanting rainforest hotel looks as though it grew from the forest itself.

This elegant arc of a waterfall marks a religious turning point.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The largest flower auction house in the world.

Symbolic attempt to overcome the issues of life.

An ornate plague column – built to celebrate life – claimed the lives of numerous artisans during its construction.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

A six-story-tall golden pyramid, surrounded by a moat.