The world's oldest and largest museum of mass transit vehicles.

The most photographed house in Maine looks good enough to eat.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This museum is rotten with a century of wax medical deformities.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

One of the most important yet well-hidden museums dedicated to the history of medicine.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A statue honoring 44 continuous years of greeting passing ships.

An early-19th-century hotel with a past that is steeped in the Civil War.

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

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

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

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Silverware in the sidewalk outside a grocery store cements this neighborhood’s Italian culinary history.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Home to items never before seen by the public.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.