This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

Travelers exchange letters with woodland creatures at this mini post office.

Fake rail crossings mark the site of an influential doctor's demise.

The Boston square dedicated to the dark poet who was born nearby.

A ruined hotel with an unlucky history and an eerie present.

A lonely monument to the original Silicon Valley tech campus.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

The longest burning light bulb in the world.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

A Roman-inspired temple once controlled half of San Francisco's waters.

More than 700 species live within this murky marvel of a swamp on California's coast.

For roadside fast food, pull over at the giant orange.

2300-year-old Roman road connecting the empire.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A popular legend claims that the famous pizza was invented at a restaurant in this alley.

One poet's handmade, anachronistic home.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The world-record holder for the longest bridge stretching continuously over water.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The second oldest continuously operating bar in Louisiana.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A museum and shop on Bourbon Street located in the French Quarter.