Buried beneath an unassuming Gotland farm was the largest collection of Viking silver, mostly of Islamic origin.

The concrete skeletons of an abandoned Swedish town hide among the trees.

Just in case you need some cold cash at the top of the world.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

A century-old stone hermitage overlooks this remote pass in the Hoggar mountains, surrounded by a landscape of eroded volcanic cores.

Sidle into a side alley for a taste of sumo wrestlers' traditional hot-pot soup, in a tiny restaurant founded by a former competitor.

A winding cave grotto walkway built to provide employment for veterans after World War I.

It's bad manners to eat and drink on the subways of Tokyo, unless the train is this bar. 

This collection of ancient, mountaintop, underground tombs was once hidden by decades of bloodshed.

The cathedral stands in New Jufa, Isfahan's Armenian quarter that was established in 1606.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

This cliff-face port is considered a masterpiece of mining engineering.

This impressive rupestrian engraving dates back to the Upper Palaeolithic period.

A two-hour hike in the Orfento Valley leads to the remote ruins.

This statue is the only female representation of Rome's "talking statues."

The stone barriers in this historic fishing village were once used for farming and gardening.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

In a quiet residential neighborhood, one restaurant fights to preserve heirloom corn, one tortilla at a time.

This deserted palace is one of the finest examples of Indo-Islamic architecture in India.

This Vietnamese bar doubles as a multistory labyrinth.

This eatery transports diners to a place that no longer exists: East Germany.

A working ranch doubles as a sustainable hub for world-renowned classical music and large-scale sculptures.

The Scottish Reformation leader's grave was paved over and is now a parking lot.

Like Mars, but much closer.