A former waterfront market is now in the center of town due to some interesting Boston engineering.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

The massive Roman arch in New Hampshire that was meant to be a tomb.

Turns out you can see the world without ever leaving Maine.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

A hollow cement depiction of time's inexorable effect on the human body.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Maybe the only missile installed in a public park, this Cold War leftover was one of the first to carry a nuclear warhead.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

The world's largest rotating world.