Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Several land speed world records were shattered at this Welsh beach.

The castle still holds traces of the abandoned Roman fort it was built atop.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

360° views of the city plus five floors of optical illusions and hands-on science.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

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.

One of the largest lenses of its kind ever created, this former ship beacon has been brought down to Earth.

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

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

The atmospheric road was never meant to be so creepy.

Beautiful scenery provides the backdrop for an abandoned coastguard facility.

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

Northern Ireland's Brobdingnagian stepping stones.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

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

Successful single-handed, non-stop circumnavigation of the world in a sailing boat was a wish said to be granted at the well.

One could not be blamed for literally walking all over this supposed landmark.

A midnight snack that lights up the night.

A local museum honors the overlooked discoveries of Mary Anning, one of the first professional fossil hunters.

A beautiful bronze statue of the greatest fossil hunter of the 19th century.