The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

This nine-story building can be played like an instrument.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This park contains a number of standing stones meant to heal and inspire.

This North Carolina store preserves a historic moment in America's movement for racial equality.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

Even in death, he's still your huckleberry.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

An architect's childhood fantasy treehouse made real.

The oldest living tree in Manhattan comes shrouded in sinister legend.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

A monument celebrating the idea of reaching inaccessible places.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.