This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The world's largest set of the ten commandments lay nestled in the heart of the Great Smoky Mountains.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.

Stonehenge has nothing on Castlerigg’s views.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Go inside to really appreciate this 500-year-old technological masterpiece.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

An Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This charming English house was once the home of England's most famous poet.

Famously misunderstood wonder of the ancient world

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.