America's oldest Italian restaurant is a San Francisco institution.

A strange sandstone formation in the middle of nowhere presents an interesting climbing opportunity.

At this 1940s-era neighborhood favorite, you can still drink a cherry phosphate.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Once an aquarium, this sanctuary now rescues sharks and rays from fishing nets.

This tucked-away cemetery is the final resting place of a prospector who uncovered one of the largest gold mines in Arizona.

Dozens of playful sculptures blanket these 200 rolling acres of farmland in an ode to art and landscape.

The evolution of a simple creek cutting its way through an ochre mountain side.

A piece of solitude and tranquility in the heart of East Saint Paul.

This environmental engineering marvel keeps salt water from the Elizabeth River.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

This lush 12-acre site was once named the finest Japanese garden in North America.

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

Home to the world's largest quilt collection dating from the 1600s through today.

A lush Seattle garden designed by the same landscape architects responsible for New York's Central Park.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

A nature and cultural preserve named for its multitude of petroglyphs carved by the Northern Sinagua people.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

Built in 1906, this unique building was the first Hindu temple in the United States.

Long buried under the 20th-century landscape, this lift lock of the Alexandria Canal is the lone remnant of an ambitious early American transportation project.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

Built to defend Washington D.C. during the Civil War, this fort became a post-war nucleus for a thriving Black community.

A remnant of the Roman army's presence on the coast of Scotland.