Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

These little castles each held thousands of pigeons.

Near Belgrade, an ancient-looking sarcophagus serves as a World War I monument.

Europe's official "zero-level," the equator of elevation.

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

An idyllic traditional timber village on a picturesque hill was built for a film.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

The location of the world's first telescope demonstration.

This dazzling Art Nouveau mansion is now home to the Modern Art Gallery Subotica.

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

This building has two facades of clashing architectural designs.

A museum-like shop that has been producing clogs, brushes, and ropes for nearly 200 years.

This modern, multimedia museum takes visitors on an evolutionary journey back in time.

A maze of underground tunnels beneath one of the most beautiful forts in Serbia.

Festival of Perpetual Life and Rebirth.

The cathedral stands in New Jufa, Isfahan's Armenian quarter that was established in 1606.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A floating cat sanctuary on an Amsterdam canal.

Colorful and chaotic stacked hotel in North Holland.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.