Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

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

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

Got apples?

Noirish green neon marks the location of one of the oldest private detective agencies in France.

This modest marker near Notre Dame identifies the very center of Paris.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The oldest stone house in Paris was built by its most famous alchemist.

Notorious artist squat renovated into legal studios.

This bridge was constructed from the rubble of the infamous Bastille.

The celebrated eyesore created by starry-eyed sweethearts.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This strange bovine gargoyle is said to have been put in as a passive aggressive form of revenge.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.