Yo, Adrian!

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Orthodox church partially financed by Tsar Nicolas II.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

An enormous park-like oasis, full of famous Chicagoans' graves.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

This small shrine is dedicated to the designer of the first Russian fighter jet and his brother, who became Chairman of the Presidium of the Supreme Soviet.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

This man-made mound monument was built out of soil from all across the Polish empire.

Mountain where Jesus was first tempted by the Devil.

Something's watching you.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This cemetery features modernist statues as strange as its name.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

The deepest metro station in the world.