The first official clock in North America, it kept time for the Spanish government of Santo Domingo.

The final resting place of Christopher Columbus - or possibly someone else.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

This replica medieval European village in the Dominican Republic was built by a Hollywood set designer.

A whimsical village of unique treehouses resides in a Washington forest.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

This painted blacktop brings the classic arcade game to life.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The first park built over a freeway is a brutalist masterwork.

A walk through the historic city center, under the streets of Seattle.

A museum has some wedding cake dating to the Teddy Roosevelt administration, and some bacon from FDR's.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

This quiet park's strange sedimentary spires were named after Kodak's color film.

Water flowed out of the town's unusual tree stump fountain in the 1930s, and the well still runs today.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.