The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This city square dates back to the Scottish Enlightenment and was home to some of Scotland's brightest minds.

The most loyal of little dogs, or a Victorian era publicity stunt?

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

A giant scale model giving a sneak peek at what urban planners see for Shanghai by 2020.

The once highest point in China blends symbolic design with a kick of adrenaline.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

Elevated freight railway turned wildly successful urban park.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Hans Christian Andersen for the postmodern world.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Eighty million natural history specimens call this gargantuan museum home.

The curios of pharmacist and collector Henry Wellcome.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

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

Hear the quietest sound from across the dome.

This one has sailed five times as far as Sir Francis Drake's famous ship.