Fortified medieval tower house with lovely roof garden.

A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

This colorful statue welcomes visitors to a Barcelona park.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Mountain where Jesus was first tempted by the Devil.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

Metro station with a claim to rock n' roll fame.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

Tiny memorials honor individual victims of the Holocaust.

One of downtown Berlin's last reminders of its Communist past.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The most visited, and possibly most controversial, museum in Germany.

The growing stones of Romania.

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

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.

Religious structure known for its sculpted details.

Petrified footprints of one of the very first vertebrates to walk on land.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.