This secluded ruin was once a home for exotic plants.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

At this hidden studio, the dying art of taxidermy is alive and well.

An extensive collection of fine art devoted to man's best friend.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

The biggest museum dedicated to insects in North America, one of the largest in the world.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

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

A tribute to the truly loyal dog who waited outside a hospital for his owner to come back.

A railroad magnate's replica village has become home to a genetic seed bank for rare breeds of livestock.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

An unusual library of dead things at the Rhode Island School of Design.

A plaque marks the spot on the bridge where one of the first elephants in the U.S., Little Bet, was gunned down.

An unexpected canine grave atop a mountain.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

A small chapel celebrating the spiritual bond between dogs and humans.

This memorial garden is the final resting place of many beloved pets including that of a famous explorer.

The bears may be gone, but their old cages can still be found.

A dollhouse full of taxidermy rodents, each one handcrafted and given a sordid past.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

These mystical miniature houses bring a touch of magic to the New Jersey woods.