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

This historic park site contains the last remnants of a once bustling canal system.

A museum dedicated to antique toys, collectibles, and nostalgia.

Off a hiking trail in Rhode Island stands a picturesque memorial to a long-forgotten war.

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

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

Neglected resting place of some of the city's early luminaries—and a woman encased in concrete.

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

A former connection to City Island, it has been abandoned since the 1930s.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The "Skinny House" is made from scrap, salvage, and a neighbor’s kindness.