The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

This stone tower was built to protect Crete from incoming pirates.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This famous archeological mystery may be an ancient example of movable type.

The seamy, underground secrets of Portland's criminal past.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

A short hike into the mountainside forest reveals a decaying 1890s town.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

Gold, silver, copper, lead, and zinc were once extracted at this abandoned mine near Lookout Mountain.

The crumbling remains of a gold mine that was operational in the 1930s.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

The illuminated falls are a gem in North Cascades National Park.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

Like your grandma's attic—if your grandma were a little weirder, extremely well-traveled, and had a great eye for art.

The cardinal directions, set in stone.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

A museum dedicated to an elusive cryptid.

Former farm staffed by mental patients is now a public park.

At a rest stop north of Seattle, the trunk of an ancient tree.

A hidden gem full of oddities, curiosities and macabre antiques.

This Seattle museum displays the history of the telephone through an impressive collection of telecom equipment.