Something's watching you.

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

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

A muddy alien landscape that is home to rare species of exotic plants.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

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

This massive underground salt mine now holds a sci-fi theme park in its depths.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

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

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

Walk behind a 50-meter-high waterfall.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A Very Low Frequency transmitter you can tune in on your PC.

A statue of the heroic plumber stands outside a company that bluffed its way into being Nintendo’s Scandinavian distributor.

The place to be if you love vintage Swedish cars.

Once the center of power for the region's various factories.