Ancient pueblos built into the base of a natural canyon wall.

This historic national park is covered in the stunning ruins of red rock pueblos.

See massive fossils that are over 200 million years old in northeastern Arizona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Dramatic river bend surrounds a natural red-rocked pedestal.

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

A reproduction of earth's many biomes.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

An iconic view point of the Sea of Galilee offers a look into Israel's past.

Israel's first dedicated natural history museum is home to 5 million specimens and still growing.

A sprawling ancient Jewish cemetery with over 30 rock-hewn burial caves.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

This monument to those fallen in the World Wars is accompanied by a U-boat that Germany bought for a Deutsche Mark.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

Take a walk in a recreation of ancient Rome.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

Tiny memorials honor individual victims of the Holocaust.

This lurid German fountain plots the sad course of marriage from dating to death.

The last bastion of Roman presence north of the Alps looms over a German town.