A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The small first-floor apartment where the author wrote her Pulitzer Prize-winning book 'Gone with the Wind.'

Scattered around Atlanta are little doors with big charm.

An underground magnet for ever-changing street art.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

This old residential building was once the largest flour mill in the world.

One of two giant blue cockerel statues erected with an intentional double meaning.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

When flour explodes, it's not a pretty sight.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Enter the Forest of the Elves.

The attic of a four-century-old canal house hides a clandestine church.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Cat art as far as the eye can see.

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

A 14th-century fortified keep showcases the masterpieces of an ingenious 20th-century clockmaker.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

A bronze of the man in all his sinewy glory celebrates his longtime connection to the Ohio city.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

An unassuming 13-acre park is home to over 12,000 roses.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.