These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

The oldest continuously occupied public building in the United States.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Two adjoining collections of 19th-20th century physics apparatuses and instruments.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The celebrated eyesore created by starry-eyed sweethearts.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A museum dedicated to linguistics, from how babies learn to talk to endangered and extinct languages.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

An unusual number plate signifies the building's saucy past.

This 18th-century sundial was designed to calculate the date of Easter each year.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This glamorous old building is said to have inspired the Tower of Terror.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

These two monoliths have stood at the entrance to the neighborhood since the days it was called "Hollywoodland."