An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

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

Generations have refused to move this doll from its dusty resting place to preserve a castle from a watery fate.

Take a trip back to the 1950s and the heyday of the road trip along Historic Route 20.

A tribute to Rhode Island's state bird, a domesticated chicken breed that dominated the 19th-century poultry industry.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

A 60-room castle constructed by a horse-racing heir.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Mysterious stone tower featured in many alternative histories of the New World.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The walls and streets of the ancient city are peppered with penises.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

High winds can make this one scary landing.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

This giant, granite purse is one of Melbourne's most unique and distinctive pieces of public art.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.