Structure built from the skulls of vanquished foes.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

The world’s first statue of the late Apple co-founder.

A museum in the childhood house of a medical pioneer.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Of all the houses that grace this neighborhood, only one is a testament to surreal architecture.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

A tribute to a Ukrainian heroine who went undercover and killed several Nazi operatives.

This oddly shaped building is a surprising Soviet-era crematorium.

The medieval prince founded the first library in Ukraine at Saint Sophia's Cathedral where he was interred.

A Kyiv-based repository for all manners of discarded curiosities.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

A quirky collection flush with information on commode culture from ancient times to modern day.

An Art Nouveau building covered in animal gargoyles and grotesques.

The deepest metro station in the world.

When you've got to go, you've got to go.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

Collection dedicated to funeral rites, equipment, and mourning rituals of the Viennese.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

This museum promotes informed contraception by documenting its often secret past.