Explore this massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

A harrowing trail up a mile-high mountain.

Natural arch offers panoramic views of Yangshuo's karst hills.

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

The largest volcanic caldera in Japan holds an entire city in its maw.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

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

Steaming blood-red hot spring from hell.

The quintessential Japanese rock garden has existed for more than 500 years.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Massive galleon from a box-office bomb docked in Genoa.

Take a giant yellow bird cage to the top of Elba's highest mountain.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

Da Vinci's equestrian statue, 500 years in the making.

Mysterious tombstones thought to be remnants of Atlantis.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Southern Italy's spinning top village.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.