The former home of a disgraced local priest now hosts a mysterious secret supper club.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

A real-life hidden Easter Egg in New Hampshire's capital city

This haunted corpse of a drive-in is now a graffiti-covered ruin.

The private island of Yale's elite Skull & Bones society is kind of a dump.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

An impressive collection is dedicated to the legendary beast.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A home decorated by its owner with eye-catching and captivating assemblages of found objects

The thousands of shades on display — some toxic, others impossibly rare — are a library of more than just color.

No one messes with the Massachusetts sacred cod, not this time...

An enormous, inside-out glass globe built in 1935.

This impressive Boston holy house is the American mecca for Christian scientists.

One of the now-less-hidden floral gems of the "Emerald Necklace."

Museum dedicated to awful artwork.

An elaborate, hidden model train in the Needham Town Forest.

This railroad tunnel was once the longest in Massachusetts.

The notorious pirate William Kidd might have buried his treasure around this local pond.

Small caves once used as a hiding place for some of those accused during the Salem Witch Trials.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

This beach-side arcade is believed to be the oldest penny arcade in America.