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

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.

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

Of the many Jesuit missions in South America, this complex is one of the best preserved.

These spectacular ruins were built by Spanish padres in the 17th century.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

Relive a Polish uprising via an enormous, century-old cyclorama.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

Iceland's tribute to its thankless civil servants.

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

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

Horse cemetery on the grounds of Blarney Castle.

This sculpture encompasses the emotion of rail travel.

During the heyday of fishing in Hastings, there were more than 100 of these storage facilities.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

This museum offers a glimpse into early 20th-century Glasgow life.