A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

If you visit the burial place of King Frederick the Great, you'll likely find a couple of potatoes sitting on his tombstone.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

This unusual elevator doesn’t stop or slow down.

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

This bronze statue of Martin Luther King was placed in the park without permission.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

A curious collection dedicated to human and animal anatomy and pathology.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Metal horses galloping through a London fountain provide a link to the city's past.

The unpredictability of this pendulum's movements has drawn visitors to this magnificent church for decades.

This sculpture encompasses the emotion of rail travel.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

This 19th-century Turkish bath house survived the Blitz of London and is now an events venue.

Inside a London bookstore, a fireplace that once belonged to the illustrator responsible for a famous set of tarot cards.

The English Civil War began right here in 1642.

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

This eclectic antique shop is home to the taxidermy remains of a celebrity lion named Simba.