A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

Fascinating town where normal life interfaces with the occult.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

The only pub in the world surrounded by an ancient stone circle.

Museum about life, death, and cannibalism in the Stone Age.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

Once the home of a hermetic monk, this cave now houses a small church.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

After sitting unused for decades, this abandoned communist infrastructure became a wildlife utopia.

Romania's triumphal arch looks out over Bucharest.

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

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

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.

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

Palace where the nearly un-killable Rasputin was murdered.

One of the largest caves in the world open to the public.

Pilgrimage site for star-crossed lovers.