Known locally as "the giant head," this 14-foot LED sculpture has a photo booth in the neck where you can have a 3D picture taken and displayed.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

Remnants of a storybook amusement park hidden behind a strip mall.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

Yup, that's a 330-foot yacht passing over the highway.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A vast collection of rare, historical, and vintage supercomputers.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

The world’s largest underground marble quarry is hiding in Vermont.

This cavernous abandoned marble mine is popular with ice skaters in the winter.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

One car at a time please.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Bizarre Cavern.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

An extra-wide chair built to accommodate the former president's big behind.

This historic railway museum may have lost its passengers but not its love for trains.

A parade of antique steeds offers a quirky ride through history.

An easy-to-miss plaque marks the building that first held this 19th-century telephone innovation.

Ruins of a historic medical facility sits eerily by the water.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.