Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

A historic presidential getaway on the continental United States' southernmost island.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

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

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

There aren't too many operational funiculars around, but Pittsburgh has two!

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Genesis of modern hydroelectric power.

Quite possibly the last cross all humans will ever see.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Toxic waste disaster that founded the Superfund program.

Why have you never heard of the second most popular tourist site in New York?

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Rochester's signature culinary delicacy.

This vessel is believed to be the oldest operating fireboat in the world.

A 19th-century architectural wonder designed by the "father of the skyscraper."