The ruins of a stone tower with alleged (but unlikely) Roman origins.

The 18th-century inspiration behind Harry Potter's Sorting Hat.

A memorial for public executions that dates back to the 14th century.

A mysterious Castle is now home to a rare breed of goat.

A doctor had this large tub carved into rocks to facilitate easier seawater bathing.

Cathedral-like Victorian vaults are hidden within this iconic bridge.

Hidden behind an industrial area, this is one of the very few such transporter bridges in existence.

This statue includes the molehill that toppled a king.

The world's longest continuously running show has played at this small West End theater since 1974.

Even though some of the buildings date back to the Victorian era, this research institute is still involved in cutting-edge astronomy research.

A stone monument acknowledging Scotland's right to have a separate Parliament from the one in Westminster.

A replica of the gaslit streetlamp under which three teenagers founded a football club.

Two tombstones associated with the much-beloved children's story.

In the mid-1800s, the British military used this hilltop fort to train soldiers.

At this fountain, Pongo and Missis of "The Hundred and One Dalmatians," stopped to drink.

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

An unusual building on a "desolate hill" features the works of an Icelandic sculptor.

A tribute to the successful role of the Keflavik Naval Air Station in the defense of Iceland, United States and NATO Alliance.

A real-life homage to the Rachel McAdams and Will Ferrell's fictional Eurovision musical duo.

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.

Fantastic stainless steel dragon gates complete with mesh wings.

One of Ireland's lesser-known megalithic structures.

The ruins of a sixth-century monastery sit on the banks of the River Shannon.

Horse cemetery on the grounds of Blarney Castle.