An enormous, inside-out glass globe built in 1935.

The absurd creation is a compulsory destination for selfies in Buffalo.

These mansions date back to Chicago's days as a brewer's paradise.

A hollow cement depiction of time's inexorable effect on the human body.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

More than 8,000 drinking jugs say “Cheers!” to a guy named Toby.

This 1920s Dutch barge is now a floating bookstore.

Four-story slides send people whizzing through the math department at this Munich university.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

The first and only carousel with a lineup entirely of insects.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

Where old school Polish Chicago and young hipster Chicago live side by side.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

Double spiral staircases are not unheard of, but they are very rare.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

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

The great Danube river starts here.

This professional clown's home is an outsider art wonderland.