A forgotten graveyard lost in the tangles of an overgrown garden.

The best place in the world to buy tinned fish.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

This bone-filled cave got its name after they found 140 bear skeletons inside.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

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

Some of the greatest minds in the history of Hungarian art and science converged in this café.

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

Hungarian mummies in beautiful painted coffins.

An extraordinary museum devoted to the pop art legend created by Slovak artists.

Inside this Krakow church, an explosion of psychedelic color.

This mushroom-shaped rock has frustrated and fascinated locals for centuries.

A perfectly preserved hill village where the buildings are painted like white lace.

The world's newest astronomical clock is also its most accurate.

Too much gossip or just missing curfew could land you in here for a couple of days.

Europe's second largest ossuary wasn't discovered until 2001.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

This fairytale medieval church in Poland originally spent centuries in Norway.