The largest earthwork effigy in the world.

The largest ancient burial mound in Ohio.

An office built to look like a giant basket.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Yemen's "Stone Palace" looks like it was carved right out of the tall stone column on which it is built.

This bazaar is one of the oldest in the Arabian world.

Groups of prehistoric tombs that dot the mountains of northern Oman.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

This sprawling, formerly elite sporting complex in Amman, Jordan has become a local picnic spot.

A bathhouse from the second Islamic Caliphate decorated with frescoes of constellations, pleasure gardens, and naked ladies.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

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