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

Giant naked man on a hillside.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A Turkish ghost town abandoned in a population exchange with Greece.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A 142-foot-tall Q-tip on Bristol's skyline.

One of Bristol's best-hidden gems has ties to Lord Byron, whence it became the nation's first reformatory school for girls.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

A quaint hamlet of nine cottages around a small green near Blaise castle.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Malaysian fireflies create a dazzling display as thousands light up in unison.

Giant relaxing Buddha in Malaysia.

The largest tea plantation in Southeast Asia supplies gorgeous vistas alongside tea for the surrounding countries.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

An collection of Chinese propaganda posters from 1949 to 1979.

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

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

One of the best collections of wax anatomical models in the world.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Europe's largest prehistoric mound – burial site of a legendary king?