One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

One of only two commuter aerial tramways in the United States.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

The yawning maw of this pagan visage is said to bite off the hands of liars.

It's gunky, it's gross, and it's been freed from the sewer and put on display.

Housed in the university planetarium, the thousand-strong collection of tiny towelettes includes a used one from the hosts of Car Talk.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

New York City's only preserved family home from the 19th century.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

It celebrates a very stinky task and salutes London's fatberg-vanquishing team.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

A wonderfully eccentric Victorian-era museum and library.

This skewed English house has looked like it's going to fall over for centuries.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

The remains of the great moral philosopher reside in a university in London.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.