A curious collection of mechanical moving figures.

A fire lookout atop a glacial pinnacle is reached by climbing three vertiginous flights of stairs.

A memorial to a larger-than-life legend, inside a county that also holds Bunyan's death certificate.

148 feet long and in the middle of a verdant forest.

An acoustic anomaly with a mysterious cause.

Every spring, locals see the shadowy figures of a ghost army of slain Greek soldiers descend upon this ruined fort.

This mysterious artificial cave has long puzzled New Englanders.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

Rare recess caves fill this unbelievably beautiful Ohio park.

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

Spend the night in this formerly abandoned traditional Scottish village.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Like Stonehenge, but with boats and oodles more charm.

Site of James Cook's historic observations of the 1769 transit of Venus.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The largest self-built castle in the U.S., six decades in the making.

Where beer lovers can literally immerse themselves in beer.