In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

This plaque in one of London's oldest public hospitals commemorates the first meeting of two of Britain's most famous literary heroes: Sherlock Holmes and Dr. Watson.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.

A building so large that it has its own weather.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

Visitors to this shop will find fossils, minerals, meteorites, skeletons, oddities, and much more.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

The world's largest fire hydrant is supposedly tornado-proof.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

A handful of beehive kilns are all that’s left of a historic brick-making empire.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

This quirky curiosity shop takes its cues from the world's bazaars.

You’ve heard of bookworms, but this small sculpture at a university library may be the world’s first bookbee.