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

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

This chicken coop pays homage to a classic architectural style made famous throughout the southern United States.

This delightful attraction features over a dozen miniature train layouts which you can operate and interact with.

A charming monument to a very special dog.

A royal relic from the time that gambling was accidentally made legal in South Carolina.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

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

The secret city built by the Manhattan Project.

An ode to "The Queen of Appalachia."

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

Step back in time at this immersive historical village.

Is this statue at Naumberg Cathedral the fairest of them all?

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

A remarkably opulent mansion with a tragic history.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Heralded as the oldest statue in London.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

Jule Körner's house full of bizarre architectural details.

This observation tower is one of two of its kind that still exist in the United Kingdom.

Sip a cappuccino in the historic cafe that introduced them to the United States.

A surprising collection of bronze faces beneath a bridge in Loveland.