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

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

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

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.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

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

A beautiful young girl said to have been buried alive in her coffin…

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.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

These lesser-known Maltese catacombs date back over 1,700 years.

These temples are among the oldest free-standing stone buildings in the world.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

The river-powered ferry dates back to 1970s.

One of the world's largest amber altarpieces is housed within this reconstructed medieval church.

This one-of-its-kind shipyard brings the 12th-century Viking Age back to life.