Read a book next to a Midtown waterfall.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

This Upper East Side apartment co-op was designed as a tuberculosis sanitarium.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

This stunning Connecticut mansion is actually just a one-room-deep hoax.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

This Connecticut chapel is a starkly modern, and surprisingly colorful, architectural rebel.

Designed as a place for patients to take in the scenery, this tower has a dark history.

This statue honoring the most decorated dog of World War I stands in a Connecticut park.

Made of bronze and wearing a blue gown, this lady sat in the same location in the Yantic Cemetery for more than 119 years.

The gravestone of an eccentric Connecticut doctor features dinosaur tracks and a pair of fossil tree casts.

The site where chief Miantonomo of the Narraganset people was captured.

A free display of artistic lifesize dinosaur sculptures in a backyard garden.

An abandoned Victorian-era mill in the middle of modern Manchester.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

This poignant display is now a memorial to these regionally extinct species.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

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

An enchanting natural wonder in Puerto Rico's Camuy River Park.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.