America's only nuclear missile silo open to the public.

Rippling sand dunes frozen in the Arizona rock.

The "first cat," "first dog," and even a presidential pygmy hippo all get their due in this museum.

A "hospital" where people went to be quarantined, die, and be buried in the yard.

At 207 feet, one of the world's longest continuous escalators.

America's first public mental health facility.

An original apothecary from 1792.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

A sprawling outdoor museum filled with larger-than-life works of art.

Spanking machines, fake goats, and more devices of humiliation are on display in this museum of fraternal initiation devices.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

Take a drunken tour inside the world's largest known geode.