Slip in a slide while waiting for the ferry.

Visit Europe's largest subterranean waterfall, carved by water from the glaciers of the towering peaks surrounding the valley.

A 300-year-old cottage decorated with tens of thousands of seashells arranged in intricate patterns.

The woman whose immortal cell line continues to shape scientific research was buried near her birthplace in a grave that was left unmarked for nearly 60 years.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

After traveling the world, the last remaining fully-rigged three masted iron-hulled cargo ship in the world found its home in New York.

This whimsical statue marks the high water level from the Great Flood of 1993.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

Spectacular views await visitors to this lake.

This giant work of Cappadocian pottery includes a memorial for the artisan who created it.

The fossilized trunk of a tree that grew around 320 million years ago.

The rocks exposed at Valley of Fire State Park also occur in a much less known but equally spectacular area a few miles to the southwest.

The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.

A spectacular slot canyon at the northern edge of Lake Mead National Recreation Area.

A glimpse into life in 1830s Tokyo, back during the heyday of the Tokugawa shogunate.

An Oklahoma museum that celebrates the history of the "Mother Road."

This balancing rock is one of Utah's most unusual geological formations.

A unique museum that uses visual art and storytelling to reveal the hidden history of the Gullah Geechee and their African ancestors.

A sign marks where the two bodies of water meet.

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

A small museum celebrating the life of the first Black four-star general in Air Force history.

Despite monuments in other locations, this spot in a South Dakota field is recognized by the U.S. National Geodetic Survey as the center of the 50 states.

In the Ozarks, a waterfall shoots out from a glorious hole.