This hollow steel globe is the second-largest in the world.

Depending on how it is measured, this lighthouse can claim to be the tallest in Europe and the tallest conventional lighthouse in the world.

A mini-Stonehenge in the corner of the North Carolina state capitol grounds.

Memorial to the 89 children killed during the NATO bombing of Serbia.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

Believed to be inspired by the Trevi Fountain in Rome.

A gigantic mechanical bull rages over unsuspecting passengers at Birmingham’s central station.

More than 500 years after his death, a medieval ruler's remains were found buried under a parking lot.

Marvel at this immense work of art that greets arrivals to the city.

These Stolpersteine located in Spain honor Republican soldiers who perished at the hands of Nazis after the fall of France.

The world's most elegant power lines.

The defensive tower was built centuries ago to warn locals of Berber pirate attacks.

An enchanting landscape of ancient sandstone structures eroded into otherworldly shapes.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

Bacteria and algae give the salty water its bubblegum hue.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

A statue dedicated to the founders of communism.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

This sculpture used famed boxer Joe Louis as the inspiration behind its body.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

The Great Fire of London and the regulation of one-way streets both started in this alley.

This Underground station has been a popular filming location for decades, even before it closed.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.