This 13th century Gothic brick castle is the largest in the world by surface area.

Featured in one of the most iconic scenes in cinema history.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Inside this Jewish cemetery is a memorial to soldiers who deserted the German army and were executed.

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

The original burial place of this preeminent 18th-century Jewish philosopher was razed by the Nazis.

This museum explores the tumultuous history of Lviv under Nazi and Soviet occupation.

The reconstruction of this prominent building fulfilled a long-written command.

A unique museum dedicated to culture and artistry of carpet weaving.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

The oldest continuously operating pharmacy in Europe.

The tallest waterfall in the Judean Desert is named for its connection to a biblical figure.

This former guildhall with a bacon-like exterior is now home to a museum covering 600 years of Antwerp's musical history.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

The Swedish flag over this small naval fort signals that the nation is at peace.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

A long spiraling walkway winds through the woods, and around a copper beech tree at the center.