The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A temple to modernity, tucked away amid Barcelona's more well known museums.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This cemetery features modernist statues as strange as its name.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Unrepaired walls from a 1920 anarchist bomb attack.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

An accidentally hidden library containing the ephemeral history of New York.

Once a dumping spot, now a park with a kayak launch.

The factory for the popular Dumbo location, the Greenpoint shop is a quiet gem.

There must be a pun in this haystack somewhere...

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

At 207 feet, one of the world's longest continuous escalators.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

D.C. once had its own tiny rival to the New York Stock Exchange.