This handsomely carved wooden church is more than 800 years old.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

A semi-scholarly approach to sex.

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

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

Step inside Lucy, the world's largest "elephant."

A toxic ghost town sitting atop a massive coal fire.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

Elevated freight railway turned wildly successful urban park.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

An Irish Memorial commemorating those who perished due to potato blight.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This elaborate towering structure was once famed for its revolutionary height.

The oldest surviving botanic garden in the United States.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

World's first "penitentiary," meant to be humane, drove men insane.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

The design of this beautifully crafted building was inspired by Norwegian glaciers.