Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

An ancient aqueduct tells the story of Sardinia's ancient Roman past.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

Don't be fooled by this fake medieval facade even if it is almost 300 years old.

Famously misunderstood wonder of the ancient world

In 1999, a new equine figure was cut into this English hillside near the site where an older white horse had previously appeared.

This bridge later moonlighted as a local jail.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

Three columns of volcanic rock shoot out of the ocean.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

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

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.