One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

This quirky roadside attraction provides insight into Minnesota's logging history.

Dakota legend claims this locally iconic pinnacle was once part of a sacred burial site that was cleaved in two.

This water tower has been a staple of the Rochester skyline since 1931.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

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

South Dakota's oldest operating brewery is housed inside a historic firehouse.

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

Just a man taking his prehistoric pet for a stroll.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

This unique zoo is the only place in the world where you can see all 15 species of crane.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

A bypass decorated with large wooden troll carvings.

Statue dedicated to the star of an old television show.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

More than 5,000 contemporary and "historic" mustards from around the world.

A place to eat for on-the-run agents and espionage enthusiasts.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

Elaborate hand-carved wooden clocks two brothers made in their spare time are on display at this handsome little museum.

No one knows the origin of this small town’s unique name.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.