These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Home to drunken tower-climbing goats... seriously.

This unassuming riverbank is Missouri’s first designated site in the National Underground Railroad Network to Freedom.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

During the 19th-century, this park was a vital trading fort.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

A museum dedicated to the exploring past, present, and future innovations.

A Memphis park where you can walk the whole Mississippi River in one go.

On the side of Arkansas' Great River Road stand the remains of a forgotten World War II POW Camp.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

Stand at the point where the two mightiest rivers in the United States converge.

One of few surviving standpipe water towers in the U.S.

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

A museum showcasing the life of "Buffalo Bill"

This cave holds a surprisingly colorful variety of geological oddities.

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

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

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.