Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A monument to the man who almost killed Hitler.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

A glimpse into the last days of a once-booming past fishing industry.

These sculptures honor the knights who once called Carrickfergus Castle their stronghold.

A replica memorializes the site where women were punished after the last witchcraft trial in Ireland.

A local remembrance for lives lost—a poppy for each—in war more than 100 years ago.

Commemorating the landing of William of Orange with his European army on their way to the Battle of the Boyne.

This mine was once used to defend the coast from attack during World War II.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

It was once nicknamed "the most bombed hotel in Europe."

Originally commissioned as a sculpture to reflect the history of Belfast's red-light district, the final sculpture has been banned from Belfast public land.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

A small plaque highlights the damage caused by German air raids during World War II.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

These barriers stand as stark reminders of Northern Ireland's troubled past.

The highest peak in Northern Ireland is topped with a stone tower and haunting burial mounds.

The last Victorian market in Belfast.

A museum marks and documents the site of the Titanic's launch.

These engineering masterpieces are a dominant feature of the Belfast skyline.

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

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.