A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

A 22-million-year-old sandstone cave is a natural habitat for award-winning cheese.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

This curious sculpture represents the perseverance needed to take to the skies.

Money made from smuggling sugar helped create this wondrous rock maze in honor of the Prussian Queen Louise.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

This painted Lego bridge is the product of over a century of locomotive history.

The world's oldest rose is so tough it survived being bombed in World War II.

In this truly magical place, rent hasn't been raised since the year 1520.

The "Prussian Versailles" that is as glorious today as when it was built.

This German museum is devoted to all aspects of grave culture from headstones to coffins.

Tiny memorials honor individual victims of the Holocaust.

This enchanting mountain plateau celebrates spooky local folklore.

Thousands of flowers create enchanting pink tunnels over the city streets.

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

A strange rock formation with numerous legends trying to explain it.

Striking occult iconography on a medieval German church.

You haven’t properly toured a winery until you’ve slept in an actual wine barrel.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.