The oldest natural history museum in western Canada houses more than 5,000 vintage botanical and zoological specimens.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This stone in Lexington honors a formerly enslaved man who fought during the American Revolution.

Once an integral part of Native American life, very few of these communal New England stones have survived to the present day.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

This rare symbol of Eastern philosophy in the West has been created over years of painstaking construction by the local community.

Wander the sprawling living museum on the site of one of a 16th-century community.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

This supermarket is suspended 25 feet above an interstate highway.

The early 20th-century home features cutting-edge technology of the day, such as ammonia refrigeration and needle showers.

This handsomely carved wooden church is more than 800 years old.

The arch that celebrated the completion of the Lincoln and Victory highways.

Ancient pueblos built into the base of a natural canyon wall.

This Native American settlement dates back to the Pueblo II period.

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

The oldest philatelic museum in the United States.

The massive machine creates cracking displays of indoor lightning.

These beautiful garden buildings are among the oldest surviving greenhouses in the United States.

No one really knows how these old hobby horses got here, but the herd keeps growing.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A frozen oasis lies beneath the scorching New Mexico desert.