An old-timey medicine shop that once served Chinese laborers during the Gold Rush is still open for business to this day.

The curiosities and wonders of pharmacy in a delightful historic building.

Two plaques commemorate the site of Shakespeare's first theatre.

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

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The walls of the iconic dome are hollow and have a secret stairway.

Hidden in the hills is a mysterious stone structure, known only to a few.

The ancient tomb acts as a calendar that keeps perfect time.

Roots and stumps that lay inundated for two millennia are on display in Japan's city of three mysteries.

A perfect circle of 24 mysterious holes dates back to prehistoric times.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

The longest living non-clonal organisms on Earth.

Step into the cool deep past and unknown future of who begat who.

Europe’s oldest natural human mummy.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

One thousand trees were planted in Norway to be used to print books a century from now.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

Deep in the Thar desert, a temple crawling with thousands of holy rats.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

Wine bottle sculpture with a ship's stateroom inside.

A Manhattan office building is home to the world's largest chess board.