The only place for a truly presidential dram.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Rare recess caves fill this unbelievably beautiful Ohio park.

The largest earthwork effigy in the world.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

Montreal's colorful subway station shows its support of the local LGBT+ community.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

This piece of Australian modern art is part joke and part history.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

This magnificent castle grew from a small Moorish fortress, and reportedly inspired two iconic Disney castles.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A fantastic reconstruction of a 10th-century Viking longhouse.

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

Medicinal spa created with the discharge from a geothermal energy plant.

Iceland's tribute to its thankless civil servants.

This stunning concert hall has become a symbol of Iceland's national recovery.

This tiny museum's sizable collection is jammed into a former underground public toilet.

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

Atop this library is one of the most beautiful green spaces in Warsaw.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.