Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

This probably wasn't what Mao had in mind.

Beijing's World Park offers the excitement of international sites without the travel.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

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

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

The largest whale museum in Europe allows visitors to walk among life-size giants.

A winding, blood-red tunnel of hardened lava navigable by foot.

This elegant arc of a waterfall marks a religious turning point.

An encyclopedic collection of mammal penises.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

Banksy gives themself artistic license with this piece of London street art.

One part local history, 99 parts gruesome haunted house.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

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

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

Rocky Atlantic beach home to a stunning stone arch.