A life-size bronze rhinoceros mysteriously appeared in the middle of Dublin’s River Dodder in 2002, and more than two decades later its origin remains uncertain.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

Near where the ill-fated Terra Nova expedition launched, there is a monument to 'Scott of the Antarctic'

An international border crossing near the famous Iguazú Falls where bargain hunters and curious tourists stream between Brazil and Paraguay.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Liechtenstein's royal family calls this medieval alpine castle home.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Countless grotesque faces stare out from this eerie Prague art wall.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A little slice of Japan and its aesthetics in London's Holland Park.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This Cardiff Bay landmark traces its history back to when Norwegian ships transported coal from Wales.

This floating sculpture of ice is a poignant reminder of nature's power.

Some of the saint's blood and bones are said to reside in Dublin.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

This abandoned lock-up was saved because of its connection to a local football team.

Created as a punny statement about genetic engineering this monstrous hybrid statue has become a beloved icon.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.