Places obstakel Wants to Go

A church of bones, decorated with 40,000 human skeletons.

Walk through Czech history in Prague's largest graveyard.

A Jenga-style cylindrical tower of books that appears to go on forever.

Two stunning 17th-century libraries and a cabinet of curiosities.

A spooky spot along the road where things mysteriously seem to move uphill by themselves.

Home of the first female Hungarian poet, where her secret writing lay hidden for over a century.

The ancient Greek Titan guards this massive dam holding a lightning bolt to symbolize electricity.

A Romanian church built from one single oak.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

This enormous abandoned prison was once dubbed the "Bastille of Romania."

Romania's only crater lake with water as pure as if distilled.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

The romantic botanic tunnel feels like a well-kept secret.

A giant portrait of an ancient king looms over the river.

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

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

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

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

Moss and stone turn this waterfall into an otherworldly liquid veil.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.