England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

A sculpture of the beloved author surrounded by characters from his fairy tales.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

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.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

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

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

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

An underground city of salt.

Many of the tombs contain victims of yellow fever epidemics.

Single runway interrupted by a busy road that cuts across its middle.

Home to the oldest operating roller coaster in the Southern Hemisphere.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This massive roadside mascot was the first version of the giant to illustrate his butt.

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.