Scotland's claim to the prime meridian was laid 200 years prior to the one in Greenwich.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

The initials "GW" mark where one of Scotland's most important Protestant martyrs was burned at the stake.

Cascading waterfalls mark the gateway to the ancient burial place of Clan Macnab.

Built to hold the worst of the worst of the Nazi war prisoners.

The site of the world's first modern seismometer.

This Neolithic stone circle is the most complete of its kind in Scotland.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

A small, former industrial site overlooking Loch Kinardochy.

One of Scotland's earliest hydroelectric power stations.

An exceptional engineering feat that facilitates the migration of salmon upstream during their breeding season.

A small Scottish town's larger-than-life tribute to the celebrated accordion player.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

An important landmark in the history of algebraic logic.

On the clock tower at St. Anne's Church in Cork, you never know which face is telling the truth.

This 19th-century prison once held Irish revolutionary Constance Markievicz, writer Frank O’Connor, and a nine-year-old pickpocket.

Inside Cork's Kent station stands its country's longest-serving postbox.

Scotland still bears an enormous scar of its Roman past.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

Every St. Andrews student knows to avoid this inscription for fear of a martyr's curse.

Several bricks indicate the various flood levels this crossing has survived over the centuries.

In 1396, two Scottish clans that had been violently feuding for centuries finally faced off in a bloody battle in this park.

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

Built in the 16th century, the tower is now in ruins.