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

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.

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

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.

Macbeth's infamous "Great Birnam Wood."

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

These skilfully executed, poignant works of art dot a verdant Scottish dell.

This Scottish castle has witnessed clan rivalries, Jacobite uprisings, whisky smuggling, and more.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

A monument to the 70s rock icon stands on the road into this small Scottish town.

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

People leave coins atop an unusual grave marker in one of Scotland's oldest burial grounds.

A bronze tribute to the wildly popular video game from the '90s.

The healing properties of this well attracted royals and commoners throughout the Middle Ages.

This ordinary-looking mailbox has a rather explosive history.

This carved memorial is dedicated to the miners who died working in the town's collieries.

This memorial commemorates a defining 16th-century battle between English and Scottish forces.

The ruins of the second of three churches dedicated to the saint in a touristic Scottish town.

A curious structure built just for the birds.

This 19th-century monument served an important purpose for fishermen thanks to its built-in barometer.

A poignant memorial shows the widows and children left heartbroken by the worst fishing disaster in Scottish history.

The beloved war-time celebrity spent time in the area before retiring to the Edinburgh Zoo.