Caves that can't seem to quit producing the remains of prehistoric humans.

A South African bar inside a hollowed out 6,000-year-old Baobab.

The world's tallest boat lift stands as a massive piece of industrial tourism.

This collection of solar timekeepers includes the world's first digital sundial.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Most prolific publishing house in the 1600s open to the public.

A visionary precursor to the Internet made of index cards.

Only museum in the world devoted to bookbinding and book arts holds a permanent collection representing five centuries.

This modern arts center is built around a gem of late-Baroque architecture.

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Over a million items cram the shelves at Africa's largest shop of used and rare books.

On Japan's Tashirojima Island, cats are king.

The world's largest secondhand book market is a haven for bibliophiles and bargain hunters.

One of the largest producers of MSG in the world welcomes visitors to its Kawasaki factory with an albino panda named Aji-Kun.

This impressive clifftop temple was once at the center of an international custody dispute.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

Dictionary Johnson’s favorite feline.

An isolated dive site teeming with cnidarians.

A cluttered and astounding collection of antiquities and curiosities.

One of the tallest buildings in Africa provides a great view of Johannesburg's unique geography.

A walkable map of the world, made from soil and stone by one man.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.