An amazing collection of scale model ships.

This structure among the trees was the result of divine inspiration.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Symbolic attempt to overcome the issues of life.

Annual Easter display made up of thousands of hand-painted eggs.

Landmark dedicated to the plight of the American Indian in the 21st century.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

Deep scars on the earth left by the Ice Age.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

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

The world's longest known cave system.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

One of the few surviving "Wigwam"-themed motels.

Colorful collection of antique musical oddities.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

One of the largest collections of holy relics in the country.

Three courses accompanied by Christian rock.

Unique tower has outlasted a takeover of the company.

A miniature world of concrete and stone in Springfield, Ohio.