An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.

A black cat protests the City Guild in Riga's Old Town.

The oldest housing complex in Riga is a mini timeline of architectural trends.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This subterranean necropolis holds three floors of antler-dug grave caves.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

A medieval church built up to defend its village.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

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

Something's watching you.

This Romanian village may have been drowned, but it is long from forgotten.

This snug medieval lane is one of the narrowest streets in the world.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

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

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.