The tallest waterfall in West Virginia.

The largest ancient burial mound in Ohio.

This ambitious restaurant celebrates the culinary traditions of the Ozarks before 1870.

Don’t miss the local staple of rice vermicelli with charcoal-grilled pork patties and pork belly.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

The first (but not only) upside-down house in Germany.

Instead of becoming a power plant, this abandoned complex became a massive letdown.

A lightship turned museum, outfitted with artifacts from the vessel's past as part of the U.S. Lighthouse Service.

This cannonball stands as a reminder of the final act of a fleeting governor amidst a revolution.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

One tiny triangular park commemorates the victims of a yellow fever epidemic—many of whom are buried right below the grass.

A sculpture made from recycled materials and hand-blown glass dedicated to transportation and transformation.

This tiny patch of arid sand sits in one of the greenest states in the United States.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

A son's promise to his dying father in the form of a covered bridge filled with thousands of seashells.

Renowned restaurant tucked in a cave once occupied by buccaneers.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

This beautiful vintage movie palace has seen little change in form or function since the 1920s.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

This fort down the Potomac from Washington, D.C. was once the only defensive fort protecting the capital.