This no man's land slicing through the island is strewn with abandoned relics of another time.

This Central New York ghost town was once a prosperous railroad community.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A castle built for love, and abandoned due to heartbreak.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

This locally-famous crevasse in New York State is icy all year round.

Believe It or Not, Ripley once called this chiseled mountainside “New York’s Mount Rushmore”.

The largest known open fault in the United States is basically a giant natural refrigerator.

Despite its name, this route in southern Utah offers a heavenly day trip.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

A swath of France so devastated by war it is still forbidden to go there.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

The highest bridge in America was built for an almost unnervingly small amount of money.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Colorado's only true geyser is hidden within the San Juan National Forest.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

An off-the-beaten path cave with an underground lake.

A tunnel with windows, so you don't miss out on the impressive views.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.