Inventions

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

World's only nuclear reactor operated by liberal arts undergraduates.

Isambard Kingdom Brunel, one of the great Victorian engineers, was the driving force behind the short-lived atmospheric railway.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

Where beautiful signs live on forever.

This famous archeological mystery may be an ancient example of movable type.

This iconic Russian space museum sits on a landmark space production facility and houses the Vostok 1, the first manned spacecraft, that was also built here.

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

A historic covered bridge, only one of two remaining in North Carolina.

A radio tower with something unusual between its legs.

A world-class observatory in the California desert.

Museum houses an impressive display of the origin and artistry from the now-quaint invention's history.

A psychological self-portrait in the form of a giant, segmented head.

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