Alexander Hamilton’s creation caused quite a bit of controversy.

A toxic ghost town sitting atop a massive coal fire.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

Memorializing an American tragedy of massive proportions.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

The secluded site of a 1943 plane crash and amazing rescue is only accessible by hiking through the woods.

South Korea's largely symbolic, barely used gateway to the North.

The best place for scenic views of the DMZ and North Korea.

Secret North Korean passage discovered below the world's most dangerous border.

The world’s first hotel to be run by robots.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A half-size replica of the World Trade Center towers above Tulsa.

A monument in the Belarusian city of Polotsk claims to mark the exact midpoint of the European continent.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

This shrine to bovine consumption and all things fast food is a slice of culinary history both rare and well done.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

One of the largest, oldest, darkest, quietest motel rooms in the world.

This monumental intersection commemorates the day Okinawa switched to driving on the left.