This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

This memorial marks the devastating day that Texas City was destroyed in a daisy chain of exploding ships.

Fantastic collection celebrating the final send-off.

Toxic waste disaster that founded the Superfund program.

The seat of Buffalo government is a gorgeous Art Deco palace.

Ruins of a once-prized railroad station in New York.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

Storage units with a wartime past.

The largest permanent Monopoly board makes one of the longest games even bigger.

A rough granite monument marks the spot where Europeans first caught sight of the San Francisco Bay.

The greatest real estate coup of all time.

This German "living museum" is maybe a bit too immersive.

'Cause the fence start shaking, the earth was quaking.

A Mars simulation in the southern Utah desert.

America's post-nuclear-attack chambers of Congress.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A small flooded ghost town with a few scattered structures remaining.

Display that gathers the basic elements of the universe in one convenient location.

The former Naval shipyard is open for exploring - mostly.

New fungal and bacterial species call this deadly lake home.