An eerie, derelict amusement park in Berlin.

A monument to the man who almost killed Hitler.

An old department store turned Nazi prison turned artist commune.

Tiny memorials honor individual victims of the Holocaust.

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A building so large that it has its own weather.

This seaside production studio was built to film 'Titanic' and has been the wet set of choice for other Hollywood productions since.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Man-made geyser that rises to the exact height of the Gateway Arch.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

There aren't too many operational funiculars around, but Pittsburgh has two!

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Boise State's stadium was the first non-green football field in the world.

Home to the deepest rift anywhere on Earth.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.