Northern Ireland's Brobdingnagian stepping stones.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

One of the largest trees of its kind in California.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A miniature city, once ruled by the Queen of the Netherlands.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

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

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

An underwater statue of Christ blesses the depths off Key Largo.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

The Pope’s secret escape route.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

This black shoreline is made up of exploded lava particles.

In 2018, Pohoiki Road was severed by lava flowing from the eruption of Kilauea.

Watch the newest land on the planet form before your eyes.