Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A fearsome dragon clings to a corner of Munich's city hall.

The wooden airship was the largest flying boat ever built.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

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

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

Perhaps the most scandalous statue of America's first president.

Government testing at the asylum briefly explored using marijuana as a "truth serum" on Nazi prisoners of war.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A heavenly experience, right here on Terra Firma.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

This working class sculpture pounds his hammer all the livelong day.

A wall of chewing gum moonlights as collective art.

The Bong-area park police have asked visitors to please, stop stealing the signs.

The spaceship-like theater, which is still in use, was one of the most popular exhibits at the 1964 New York World's Fair.