Collection of skeletal systems from the "world's leading supplier of osteological specimens."

A narrow fjord-like lake, the third-deepest in the United States, runs for over 50 miles into the Cascades of Washington state.

The world's longest known cave system.

Austin’s nonprofit-run graffiti park where street art is meant to be painted over.

These boots are made for selfies.

Though illegal, city officials have made an exception for this work of art.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Sip mead from an East Nashville apiary while snacking on barbacoa tacos.

Built in the 19th century, this bucket has been to two World’s Fairs.

A vast city of the dead, where the deceased outnumber the living by more than a million.

The peaceful gravesite of a rugged wild west gunman echoes the touching story of his last days.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This massive redwood tree has stood in Northern California for nearly 2,000 years.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

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

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Rock face that shares a name with Mary Shelley's famous doctor.

This fairytale-inspired cottage was created by a university literature professor.

This impeccably preserved farmstead is a time capsule of a Pulitzer Prize-winning novelist's life.

Three witches are said to be buried beneath these unmarked concrete graves.

Taos Pueblo recipes, foraged ingredients, and outdoor ovens define the menu at this eatery.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.