The old observatory in Copenhagen has a spiral corridor used as a racetrack.

This chimerical bridge/tunnel appears to dead end right into the sea.

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

This replica Viking village was created for a film that was never shot and is now open to visitors.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Three columns of volcanic rock shoot out of the ocean.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

This stunning mass of ice spans 121 square miles and is still growing.

This glacier interpretation center houses the world’s only bar made completely from glacial ice.

The most southern point you can drive to in the Western Hemisphere.

You'll find the little birds tucked within the rocks of this Australian beach.

Home to the oldest operating roller coaster in the Southern Hemisphere.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

One of the most iconic neon ads of former East Germany.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

With its vast selection of books, comics, and records, this nearly 70-year-old open-air market always rewards the patient browser.

One of the few remnants of an extensive tram network that once made Buenos Aires the “City of Trams.”