A small but very fascinating fountain in the center of Rome with four books and a deer carved.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Now owned by the National Park Service, this location was once home to illegal boxing matches.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

A square-domed symbol of resilience in the heart of the old Jewish Ghetto.

Crispy, cheesy rice balls—the Roman answer to arancini—take center stage here.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Illegal drag racing two stories beneath Chicago’s streets.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

Local lore claims this park is named after a young woman who jumped off a cliff.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

An art installation commemorates journalist Nellie Bly's undercover reporting inside a New York asylum.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

No monkeying around, this fountain was really named after the classic sci-fi film.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

This archaeological site features an early version of today’s refrigerators.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

Huge stone depressions which may have acted as an Incan agricultural experiment.