This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Lumps of significant stone from around the world surround a flaming monument for peace.

The largest 19th century panorama in the world still in-situ.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

An ode to the washerwomen who called Pavia home.

This 15th century pharmacy displays a beautiful collection of ancient medicine jars.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

Village situated on a narrow volcanic escarpment.

A lush indoor jungle fills this bustling Madrid transportation hub.

An ancient Egyptian temple in the middle of Madrid, Spain.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

The longest and widest floating bridge in the world.

This working class sculpture pounds his hammer all the livelong day.

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

An electrifying collection of gadgets and literature from the 16th through 20th centuries.

The tiny church offers succor to travelers driving by, but only eight at a time.

Orcas on display and in the water.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.