This extensive collection covers thousands of years of Polish military history.

This enormous 32-foot painting depicts Poland's greatest medieval battle in glorious detail.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

An underground city of salt.

Real bones which are said to have belonged to a Polish dragon.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The ancient latrines of the Greeks, in all their public glory.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

A marvel of Byzantine engineering under the streets of Istanbul.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

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

A tribute to the successful role of the Keflavik Naval Air Station in the defense of Iceland, United States and NATO Alliance.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

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

The largest whale museum in Europe allows visitors to walk among life-size giants.

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

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.