A site of pagan worship which still attracts people looking for fairies.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

Some cheeky plantings brighten an old slipway on Scotland's Firth of Forth.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

305 homemade stone stairs wind their way up the Hamilton escarpment.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

This simple apartment may have inspired some of the most important theories in the history of science.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This massive blockhead sculpture hides an entire library.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

Vast network of air raid tunnels beneath Lombardy's capital.

An ancient artistic garden parlor full of hidden water wonders.

Quirky Welsh observatory unites art and science.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.