A modern Nordic Pompeii on the Icelandic island of Heimaey.

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

A replica of the decorated wooden pillars Viking sailors threw overboard when finding new places to establish a settlement.

The final resting place of the controversial chess champion.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

This fairytale-like structure is the last turf church ever constructed in Iceland.

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

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.

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

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

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

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

The oldest licensed distillery in Ireland.

An 1814 castle that hosts an exhibit of "explorabilia".

Some of the saint's blood and bones are said to reside in Dublin.

An oddly conical beacon perched atop beautiful Irish cliffs.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

Huge standing stones mark a site of megalithic mystery.