The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

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

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

The highest point in Washington state is a volcano covered in glaciers.

Site of the greatest known waterfall that ever existed.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Largest illuminated advertisement sign in the world.

The world's biggest pet store.

Take a walk in a recreation of ancient Rome.

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

This futuristic German television spire is actually the world's largest digital clock.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

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

An amusement park on the grounds of an unused nuclear power plant, with a swing ride inside the cooling tower.

Twisted buildings adorn the banks of the Rhine river.

Model Trains and Much More in Hamburg.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.