Northern Ireland's Brobdingnagian stepping stones.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

The decorations were inspired by an unlikely missing treasure.

This playground sculpture of an icon from the past is dedicated to the children of the future.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

This historic national park is covered in the stunning ruins of red rock pueblos.

An enormous, inside-out glass globe built in 1935.

A wall of chewing gum moonlights as collective art.

A giant Troll lurks under one of Seattle's oldest bridges.

An outsider art duo's yard has been turned into a whimsical public gallery.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A former copper mine which became a truly unsuccessful prison.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.