Architectural monsters are devouring this palace's every door and window.

Memorials at a Florence railway station remember the citizens who were deported from Italy and sent to extermination camps.

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

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

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

A statue representing a lost Roman profession that was vandalized for centuries.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

Inside this building is another country within Rome, a sovereign entity without a physical territory.

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

Explore the history of printing in this unique museum owned by a longtime printer.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Ruins of an old sugar mill sitting quietly next to a park in rural Florida.

This natural spring is the winter home to the largest gathering of manatees in the world.

The mounds on this coastal archaeological site reveal the history of the land’s first inhabitants.

An unsuspecting brick building outside Orlando houses decades of train ephemera.

An Orlando museum houses the world’s most comprehensive collection of work by Louis Comfort Tiffany.

From 135 feet high riders plunge down the world's tallest freestanding body slide at 65 mph.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

A memorial to the first person killed by a motor vehicle in the Western Hemisphere.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

These century-old townhouses contain some of the first car garages built in the United States.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

New York's southernmost subway station is whimsically wavy.