A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

A miniature city built by a single hunchbacked monk.

A unique book shop with a collection of rare tomes and a nostalgia museum.

A collection of huge Pre-Colombian structures in Alabama.

A historic freight system that found the true gold rush is in tourism.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

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.

A hugely vast Irish landscape of barren rock that stretches for miles.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

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

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Pilgrimage site for star-crossed lovers.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

These gutted monastery ruins still stand proudly in the middle of the Italian countryside.