The modern birthplace of Irish freedom.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

An 18th-century religious argument etched into stone.

These ruins saw a second life as a cemetery.

It's believed this well was once plagued with evil spirits until St. Columba purified the water.

This former chapel resides on an island connected to the mainland by one of Shetland's iconic beachy tombolos.

The oldest church in Inverness witnessed the brutal executions of many Scottish soldiers.

The castle that provided the setting for much of 'Monty Python and the Holy Grail' is now a pilgrimage site for fans.

A remarkable feat of Victorian engineering across the Firth of Forth.

After 800 years, Europe's oldest elm tree has met its end.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

In the depths of Glasgow Cathedral's crypt, one pillar stands out from all others.

Scotland still bears an enormous scar of its Roman past.

A six-ton wedding present for the King of the Scots.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.