A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

Floor-to-ceiling frescoes by local art students cover the interior of a nearly 200-year-old church.

A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

Ornate and macabre headstone in one of the country's oldest cemeteries.

Friction between grains of sand cause a curious "singing" sound.

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

An ancient cemetery with some historic bodies underfoot.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

The largest Buddha statue in the Western Hemisphere is just 50 miles north of NYC.

Carved, egg-shaped stone with no explanation.

This location of a Mexican chain restaurant has a unique location: an old jail.

Murder scene memorialized in perpetuity by grisly obelisk.

Believed by many to be the oldest surviving public monument in the United States.

A very big rock just plopped down in the New England woods.

The remains of a deserted 1800s farming community can be found in Little River State Park.

The highest peak in the state of Vermont has some interesting features.

This rare polygonal meeting house is rumored to be built in a circle so that the devil has nowhere to hide.

This charming woodland trail is peppered with poetry.

The Vermont grave of a 4,000-year-old mummy prince.

An ancient glacial pothole waterfall in the heart of the Green Mountains.