The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Iceland's tribute to its thankless civil servants.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

More than 100 colorful residents stand post in this seaside Australian city.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

New Zealand's only running funicular railway.

A dreamy mausoleum honors Persia's most famous poet.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

This fairytale-like structure is the last turf church ever constructed in Iceland.

Hundreds of boat-shaped headstones fill this graveyard as part of a centuries-old custom with mysterious origins.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

This off-the-beaten-path abandoned town is a relic of Montana's silver mining boom.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Dead weights honor the dead of Portugal's fishing industry.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.