This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A holy well believed to have healing powers.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

At the United Kingdom's only residential library you can sleep among the books.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

This bronze statue was dedicated to a 1966 Beatles hit.

This stone once marked the boundaries of Liverpool's medieval markets.

Most of Britain's gold reserve was secretly stashed here after the start of World War II.

World's largest working waterwheel has been around for over 150 years.

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

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

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

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

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.

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

Northern Ireland's Brobdingnagian stepping stones.

A series of stained glass artworks that depict images of the hit TV show.

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

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

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

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

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

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