The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

Fortified medieval tower house with lovely roof garden.

A stunning bridge that appears as if it's lunging to the shore, and has a legend of a devilish architect.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

This enchanting 600-year-old tree is so magical it inspired the beloved tale of Pinocchio.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

The oldest volcanology research center in the world.

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

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

This intricate Hindu temple is the largest of its kind outside of India itself and was constructed like a giant puzzle.

The world's largest collection of the world's largest objects is in one small Illinois town.

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

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

Moving, mind-blowing metal sculpture work of an outsider artist.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The tiny church offers succor to travelers driving by, but only eight at a time.

Continuing a tradition of movie magic on the site of America’s oldest continually operating movie theatre.

Tacoma’s 25-foot coffee pot music spot has served up over 80 years of concrete kitsch.

A vinyl-lover's Shangri-La.

The first park built over a freeway is a brutalist masterwork.

The highest point in Washington state is a volcano covered in glaciers.

This popular bar has been blurring the line between normal and edgy for more than 75 years.