The remains of a sunken military ship wreck visible through clear water.

This ancient Roman aqueduct once funneled water to Diocletian's palace.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

This 15th-century church houses priceless works of art from a range of Croatian artists.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

This 135-year-old weather station studied the effects of the climate on human health.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

Longest fortress system anywhere in Europe.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

A historic bridge with a lovely acoustic anomaly.

At this deceptively beautiful beach, nothing is what it seems.

This town is home to the world’s largest arch constructed entirely of elk antlers.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

Visitors to this library are in for a real-world education in modernist architecture.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

A stone troll guards the hike that leads to this waterfall.

A rescue facility that caters specifically to wolf-dog hybrids, and educates about these unique animals.

What happens when a chef with indigenous roots takes over a hotel-restaurant?

Try the alligator at this fondue spot, which has been catering to "lovers and hedonists" since 1967.

This geothermal hot spring hides beneath a slowly growing mineral dome.