An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

An experimental, automotive replica of Stonehenge.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

Supposedly Satanic numbers adorn this preserved submarine sail.

Home to the deepest rift anywhere on Earth.

The park that the Chicago Stockyards built.

A bizarre house filled with an astounding array of collections.

A wonderland of caves in eastern Iowa.

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

The oldest operating hotel in Illinois enjoys a historic (and some say haunted) past.

No one knows the origin of this small town’s unique name.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

How did the 110-ton limestone statue cross the road?

A mysteriously dark cemetery monument fuels stories and legends galore.

The oldest university museum west of the Mississippi retains its 19th century feel.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

What was once a communal kitchen now serves heaping portions of hearty German fare.

Step back in time while shopping inside this local store.

A life-sized recreation of the megafauna that once roamed this region is a feature at the birthplace of American paleontology.

A castle built by an eccentric medieval enthusiast in suburban Ohio.

What is it about mushrooms that makes people wish they lived inside of them?