The house that took a plunge into the facade of a museum.

A silly medieval mural preserved on the side of a Viennese house.

A memorial to the beloved brown bear that served in the Polish army during World War II.

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

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This tiny, tucked-away eatery reflects the history of Mexico's Lebanese immigrants.

A museum in the former home of Marxist revolutionary Leon Trotsky.

A quirky and charming restaurant founded by artists.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Haunting monument to the German Jewish philosopher who died while fleeing fascism.

During an annual Catholic feast in this tiny Spanish village, men dressed as devils leap over rows of babies to cleanse them of sin.

A historic Christian shrine nestled within a spectacular natural cave.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

A 16th-century Andalusian palace.

Cliffside houses provide a spectacular view from their perch above the valley.

An isolated village literally built into the crevices and rock formations of a mountain.

A Spanish forest is filled with mysterious stone carvings.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.