This was once a hall in which a 16th-century royal banquet was hosted by King James VI of Scotland.

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

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The fountain marks the area where hundreds of accused witches were burned at the stake.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

An encyclopedic collection of mammal penises.

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

A massive underwater sinkhole made famous by Jacques Cousteau.

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

The modern birthplace of Irish freedom.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

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

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

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

The oldest working mechanical clock in the world.