The secret city built by the Manhattan Project.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

"X" marks the spot of an echo chamber in the middle of a plaza.

This kitschy tavern is also home to rare early editions of "Treasure Island."

You’ve heard of bookworms, but this small sculpture at a university library may be the world’s first bookbee.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

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

One of Jeff Koons’s largest sculptures and his first commemorative work.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This emotive sculpture was originally created for the 1878 World's Fair.

Barça football fans might see the insignia hidden in a church window as a divine sign.

A once-secret library of Freemason history in Catalonia.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

The bronze uniforms commemorate the vital role of women during World War II.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

A statue of a pioneering Black footballer outside his former home stadium.