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

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.

The largest fountain in Bratislava.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

An artistic tribute to the famous singer, just around the corner from where he was born.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

Eighty million natural history specimens call this gargantuan museum home.

A hands-off space for graffiti artists to hone and display their skills.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

The mark of the Devil's horns on a marble column in Milan.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

Pivotal home of Nobel Prize winner Pablo Neruda.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Macabre astrological automaton clock dating to the late 1400s.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.