Flamboyant architecture from the turn of 20th century.

This memorial was created by an Irish nurse who lived in New York City during 9/11.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

This beautiful, historic church looks like something out of a simpler past.

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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

This black church sits alone among a field of lava rock.

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

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

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

An encyclopedic collection of mammal penises.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This church also serves as a lighthouse complete with a beacon.

An abstract monument to a symphonic composer.

A subterranean house of worship carved right out of the bedrock.

Rubbing the buttons along this statue's coat is considered good luck.

The first monument in Estonia that was made by an Estonian sculptor.

During the Soviet era, the spire of this longstanding church was used as a radio transmission tower.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.