Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A semi-scholarly approach to sex.

Tucked away in a corner of a Maine general store there was a museum devoted to an equally beloved and reviled local soft drink.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

Scene of the grisly murder of two Norwegian women in 1873.

A strange mark in the stone fence of a cemetery fabled to have been made by the Devil himself.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

New England's tallest light house stands on an island with a history of cannibalism and death.

The grave of Mary Nasson is shrouded by witchy legends.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

The eccentric mansion of one the most popular horror authors of modern times.

The final resting place of the man who played the Invisible Man.

Murder scene memorialized in perpetuity by grisly obelisk.

A stone memorial erected for New Hampshire's only convicted witch.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

The once-abandoned 140-year-old hotel used in the movie "In Dreams."

A short nature trail winds through the greatest works of poet Robert Frost.

Birthplace of America's first documented serial killer.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

America's oldest archaeological site or a muddled case of wishful thinking.

Even Henry David Thoreau found this glacial pothole irresistible.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

This magnificent Japanese garden provides a moment of Zen in rural Vermont.