One of the best-preserved modern fortresses was part of a pivotal moment in the Italian Risorgimento.

This rustic, flower-lined pathway once had very little in common with its namesake.

This former ice house dates to the early 19th-century and featured an underground chamber.

Hidden in Carnfunnock Country Park is a lasting testament to the Normans who once settled in the region.

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

This stone harbor was key to Carnlough's limestone industry.

A harbor town pays tribute to a heroic wartime carrier pigeon.

This village provides a glimpse at rural life in Northern Ireland during the mid-20th-century.

An uninhabited village that preserves and documents rural architecture and an endangered way of life.

Wooden sleds have replaced donkeys to cart goods around this utterly charming car-free village.

Two massive boulders, rocking back and forth with the ebbing of the sea.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

In Faroese legend, this sinister horse-shaped beast lures unsuspecting passersby only to drown them in the lake.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

The narrow passages will challenge even the bravest driver.

This isolated island is often capped by its own fluffy cloud.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

This palatial building has lived many lives as a convent, prison, cultural center, state archives, and government offices.

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

This house covered in art created with volcanic rocks is shrouded in macabre lore.

An indigenous take on European design creates a stunning visual overload.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.