A trail of "Game of Thrones"-themed doors carved from fallen trees from the iconic Dark Hedges.

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

A beloved upside-down beacon off the coast of Northern Ireland.

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

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

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

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

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

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

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.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

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

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

A particularly disconcerting tribute to Irish martyrs.

The modern birthplace of Irish freedom.

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

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This World War II relic let Allied pilots know they were entering neutral airspace.

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

A retired military stronghold on the rolling green coast of Donegal.

These murals stand as reminders to the troubled history of this Northern Ireland city.

A museum dedicated to the tragedy of Bloody Sunday.