A retro walk through the history of the tube.

Even with only two residents and one building, this tiny Illinois town is famous for its burgers.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.

An abandoned factory along the Mississippi coated by a giant mural.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

The only remaining Cold War–era Minuteman II missile control center in Missouri.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

The largest earthwork effigy in the world.

An art deco ice cream shop covered in vintage train station tiles.

This abandoned cemetery has a dark past of bodies buried over bodies.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

A curiosity-seeker's paradise set inside a three-story historic school house.

The underground sanctuary of a mysterious ancient Roman religious cult contains an exquisite traditional fresco.

A beautifully well-preserved ancient Roman villa.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

Amalfi's pre-industrial history is slowly being engulfed by the lush vegetation of the Ferriere Valley.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Pompeii's less famous neighbor is still revealing her secrets.

These "anatomical machines" are only one of the many strange items in this Italian crypt.