Stockholm's deepest subway station is also a stunning ecological wonder.

The world’s largest work of glass art hides in this stunning Taiwanese subway station.

A thriving community of Taiwanese art.

This dragon-shaped sports arena is the world’s largest solar-powered stadium.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

These gnarly desert trees produce the prized aromatic resin traded along the ancient incense trail.

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.

Yemen's "Stone Palace" looks like it was carved right out of the tall stone column on which it is built.

A city built from mud and known as the "Manhattan of the desert."

One of the largest mud-brick structures in the world.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Art Nouveau painter Alphonse Mucha spent 18 years creating these monumental paintings of Slavic history and mythology.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

Nope, not the one in France. The only officially-recognized reproduction of Monet’s garden in Giverny is located in a remote corner of Japan.

Over 40 species of fern cover the canyon walls of this lush green bowl, cut off from the bustle of the world by a cave entrance.

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.

This former farm In northern Iceland is now a museum, where visitors can tour beautifully-preserved turf houses.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

Largest private bird collection in Iceland, formed from a tragic accident.

This museum dedicated to divination also honors a local 10th-century prophetess.

This tiny museum's sizable collection is jammed into a former underground public toilet.

What was once believed to be a church floor turned out to be the artwork of geology.

Superb sweets await at the first Jewish bakery inducted into Berlin’s prestigious baker’s guild.