A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

Belfast's namesake river still winds below the city center, hidden from sight.

This massive monument has been telling the time for 150 years—at a slight angle.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

This 18th century mansion played Winterfell in Game of Thrones.

A medieval abbey featured on 'Game of Thrones' that dates back to the 12th century.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The lake that fills and empties itself at random.

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

This stone harbor was key to Carnlough's limestone industry.

This memorial site offers scenic views and a peaceful place for reflection.

A symbolic cemetery in a suburban square marks the birthplace of Poland's WWII resistance movement.

Ruins of a late 1950s Polish ski jump ramp in the middle of the city.

An ancient knight and a symbol of the city's freedom.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

Gargoyle head that brings good luck.

A beautiful waterway tucked in the corner of a power plant.

Launchpad for the US military’s dead mouse operation to battle millions of snakes.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.