A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

This protected area in Lake Huron contains some of the world’s best-preserved shipwrecks.

Michigan’s most famous shoe tree.

This scenic overlook commemorates the tragic death of a soon-to-be-married lumberjack.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

This freshwater spring fills with 10,000 gallons of water per minute.

This jail which was in service for over a century is now open for curious visitors.

The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

A beautiful final resting place with some surprising residents.

Known by nicknames like the "Jersey Jumper" and the "Daring Yankee," Patch was the first famous daredevil in the United States.

An old dining hall now serves up ghost stories for lusty locals.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

The historic home still shows the scars from a little run-in with the British in 1813.

A unique marker erected during the 18th century.

This historic lighthouse was well known for the large number of women who served as its keeper.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

Crumbling ruins mark the site of a couple's grisly murder in the woods.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.