"A hideous albatross in the Hudson River Valley."

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

One man's swirling six-acre monument of stone.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The mansion home of author Edith Wharton.

Resonating tubes make music from highway overpass.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

The Hudson River School comes alive at this palatial estate.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

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

At this farm in upstate New York, the former president plotted his reelection campaign.

Two mermen, eternally spitting into each other's mouths.

This elaborate High Victorian Gothic structure is one of the world's few 16-sided buildings.

A 13,000-year-old mastodon skeleton was found during the construction of a 19th-century New York mill.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

This stained glass window designed by Tiffany Studios is hidden behind the circulation desk of a public library.

The largest Walmart Supercenter in the United States, referred to affectionately as “Mallmart,” has served the residents of Albany, New York, since 1994.

The final resting place of President Chester A. Arthur and hundreds of others from Revolutionary War soldiers to poets, politicians, and painters.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.

This museum pays tribute to the largest group in the Iroquois Confederacy.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.