One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

The magic's in the hole!

Mine shafts and hard pastries await visitors at this massive mountain of salt.

In paradise, feral pigs have claimed an island all to themselves.

The land is home to swimming ponies and a legendary 18th-century treasure.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Two gravestones clasp hands over the religious divide.

Roman ruins top white travertine terraces formed by ancient hot springs.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A cave dug by a man directed by ghosts to find pirate treasure.

A walk through the historic city center, under the streets of Seattle.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

The Cathedral of St. Ambrose has been hiding a special parishioner within its walls.

World's first "penitentiary," meant to be humane, drove men insane.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Lithuania's outdoor sculpture trail of wooden folk art.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.