Kansas's Grassroots Art Capital welcomes visitors to Lucas through its very own World's Largest Thing.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

This candy-striped tower is the farthest east you can go in the United States.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

This open-air reconstruction of an Old West town, a cross between a theme park and a museum, provides an immersive historical experience.

The hallowed ground of one of the worst atrocities in United States history.

A monument at the site of the Towner School Bus Tragedy, which lead to changes in school bus safety.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

This vintage theme park is peak Christmas kitsch—and it's open all summer.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

In a beautiful open space on the north side of the Palmer Divide sits one solitary 19th-century gravestone in a copse of trees.

A historic Black graveyard hidden in the parking lot of one of America's largest malls.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

Petrified footprints of one of the very first vertebrates to walk on land.

An abandoned faux-pub made famous by a Guinness commercial.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

This single room has survived the centuries with almost no deterioration.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

Modern sundial uses ancient methods to tell time and date perfectly.