This striking royal residence is the largest Renaissance-style castle in Scandinavia.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

The ancient latrines of the Greeks, in all their public glory.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Ancient serpentine sacrifice holder that has stood the test of time.

Large miniature theme park with 100-plus models.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.

Kay Andrews's recipe was so good, her family immortalized it in stone.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

An improbable waterfall springs from an orange-white cliff face, tumbling into the headwaters of the Virgin River above Zion National Park.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Where a guard killed nine German prisoners during one of the worst 20th-century POW camp massacres in U.S. history.

This outsider art paradise is filled with dinosaur sculptures crafted from recycled machinery.

Thousands of years ago, Indigenous people painted images onto these canyon walls that are still on display today, provocative, mysterious, and enduring reminders of the people who lived here long ago.

"May the force be with you always."

This lava formation earned its whimsical name from the log-like formation of it stones.

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

This roadside stop between Goblin Valley and the Henry Mountains is the perfect location to view some of the region's natural wonders.

The extensive collection of an amateur naturalist.

A cemetery full of touching tombstones from a community of railroad workers, uranium miners, and Cold War missile launchers.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

A quirky old tree covered in tokens, cans, and bottles of wishes.