The latest in a series of long glass bridges suspended at terrifying heights.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

This psychedelic tourist trap is a leisurely descent into madness.

Why walk on this historical site when you can zoom down instead?

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

The most famous location in China was home to whole dynasties worth of imperial rulers.

A part of the world's largest marsh seems to be growing bright red Martian grass.

The middle finger of modernity.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A 16th-century horror show built in a lovely Italian garden.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Many generations ago, it was said that one could find celestial splendor in a lush meadow not far from this very marker according to the lore of the fictional world Kcymaerxthaere.

Taxidermy of a famous hippo who spent three years walking over a thousand miles across South Africa.

A large-scale steel sculpture entitled 'The Shadow Boxer' pays tribute to Nelson Mandela.

It's estimated that half of the world's gold was mined from South Africa's "golden arc."

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

Nelson Mandela lived here with his family from 1946 until his arrest in 1962.

A growing popular hipster market with over 100 local specialties and live music.

The frozen treats at this Cape Town parlor are inspired by Africa's food cultures.

Over a million items cram the shelves at Africa's largest shop of used and rare books.

Hidden in the hills is a mysterious stone structure, known only to a few.