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

This historic church with a connection to "Uncle Sam" is now a fraternity house.

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

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

The small burial plot is located in a mall parking lot.

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

New York's southernmost subway station is whimsically wavy.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The oldest surviving botanic garden in the United States.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Time travel with sweets across history at this research-based candy store.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Built by the patriotic residents of Boonsboro in a single day.

One of the only memorials dedicated to journalists who died in combat.

A Civil War Museum with some notable medical antiques.

This jail which was in service for over a century is now open for curious visitors.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.