More than fifty centuries-old religious shrines hide in the walls and above the doorways of Gozo’s capital, and most visitors walk straight past them.

Beautiful portraits of the artist's children and his amazing stained glass windows in the Art Nouveau style.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The only remaining arch of the oldest stone bridge in Rome stands in the middle of the Tiber.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

This curious, round temple is the oldest still-standing marble building in Rome.

When the water level in the Danube in central Budapest is low enough, there is a secret site telling the history of one of the most iconic bridges of the city.

A community museum celebrates Glasgow's mighty shipbuilding days.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

This small memorial honors a ferocious feline and local hero.

Giant marble phalluses on the sacred island of antiquity.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

A monumental palace that began as a stock exchange, became the headquarters of Hungarian Television, and spent years largely unused.

An obscure walkway dedicated to a scientist who helped pave the way for the world to sit up and take notice of Manchester.

There are over 12,000 Buddha statues at this temple complex that has been mistakenly labeled a monastery.

One of the oldest Rolls-Royce automobiles in existence, this vehicle was once driven by Henry Royce himself.

Once called "the biggest room in the world," this Victorian-era hall is so large that it contains a smaller 1970s heptagonal theatre.

The construction of this bridge dates back to the 15th century.

Two of Manchester’s oldest buildings were moved twice.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Once used to protect important Roman trade routes.

A Victorian-era British railway viaduct has been transformed into an elevated garden.

The former home of one of the U.K.’s most notable families of suffragettes is now a museum dedicated to women’s rights.