The enigmatic stone has towered over a Northern Ireland town for thousands of years.

One of the largest lenses of its kind ever created, this former ship beacon has been brought down to Earth.

The lake that fills and empties itself at random.

The "Black Arch" guards the entrance to the picturesque Glens of Antrim.

The last Victorian market in Belfast.

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

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The atmospheric road was never meant to be so creepy.

Northern Ireland's Brobdingnagian stepping stones.

These engineering masterpieces are a dominant feature of the Belfast skyline.

It was once nicknamed "the most bombed hotel in Europe."

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

This chestnut box will not be opened until the country music legend's 100th birthday in 2046.

An ode to "The Queen of Appalachia."

Visit the art studio of an early 20th-century painter, hidden amid the Great Smoky Mountains.

While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

Follow the steps, and this roadside artwork will teach you how to dance.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

This historic train station has been converted to a locomotive themed hotel.

An abandoned town is hidden in Great Smoky Mountains National Park.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.