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

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

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

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.

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

A guitar mounted on a wall in Temple Bar honors the Irish musician.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

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

A monument to a beloved aquatic folk hero in the Irish town of Dingle.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

From here, the loch appears to take the shape of mainland Scotland.

A sea cave with a waterfall and Viking past

The most northern place on the mainland of Great Britain.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

The sign marks one of the endpoints to mainland Britain's longest overland travel route.

One of Scotland's earliest hydroelectric power stations.