Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

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

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

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

The last Victorian market in Belfast.

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

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.

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

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.

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

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

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

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

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

A scientific observatory managed the largest Portuguese astronomy research unit.

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

This sprawling, formerly elite sporting complex in Amman, Jordan has become a local picnic spot.

This vibrant side road in Doha was painted light blue to reduce heat.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

Dead weights honor the dead of Portugal's fishing industry.

Be(w)ar(e) the moat around this historic Czech castle.

A surreal statue honoring Prague's favorite literary son.