This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

The highway's southernmost spot is a beloved local attraction.

A historic presidential getaway on the continental United States' southernmost island.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

A monument celebrating the idea of reaching inaccessible places.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

A bright little alley in La Boca is a part of tango history.

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

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

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

A tower devoted to — and modeled after — the Divine Comedy.

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.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

This memorial museum chronicles the apocalyptic destruction of the First World War.

A man throwing a giant severed hand towers over Antwerp’s main square.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A moving memorial to the fallen and missing from WWI trenches.

A beer pipeline runs beneath Bruges.

Most prolific publishing house in the 1600s open to the public.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

A once-magnificent collegiate church is falling into ruin.

An open-air sewer system that was covered piece-by-piece over 300 years.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.