The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

Famously misunderstood wonder of the ancient world

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

The largest self-built castle in the U.S., six decades in the making.

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

One man's quest to save his town with a trail of record-breaking sculptures.

An oddly poignant roadside attraction celebrating American folklore.

This massive roadside mascot was the first version of the giant to illustrate his butt.

"I did this all while you were watching TV."

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A cluttered and astounding collection of antiquities and curiosities.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

One devoted couple has donated multiple recreations of Michelangelo's sculptures to this South Dakota town.

A fitting attraction for the corn capital of the world.

Tirelessly maintained by a Wisconsin man named JFK.

Take a leisurely walk through the park to find the seven giant troll sculptures hidden throughout the park.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

This dilapidated ship carcass covered in trees is a striking sight.

A lush Seattle garden designed by the same landscape architects responsible for New York's Central Park.

The classic lawn figurine now claims this wooded area as home.