This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A hidden three-foot-wide house separates these two regal churches.

Park and playground dedicated to one of the most well-known Portuguese-language cartoons

Many of the tombs contain victims of yellow fever epidemics.

Engineering ingenuity during the battle of Gibraltar.

The defense built to protect one of the last found pieces of land on Earth.

Come for the bread-themed puppet show, stay for the buffet.

This oddly shaped church resembles a rocket.

This historic cemetery is home to the largest private mausoleum in Europe.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

A fortress off the West coast of Portugal that dates back to 1502.

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

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This building has survived for more than a century and remains virtually untouched.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

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

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

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

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

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

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

A diminutive statue that was inspired by the sculptor's own daughter.