Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

This one-room cabin where the young colonel slept during the French and Indian War.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

A modern sliver of architecture in Roma.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

Five candy-colored villages on the Italian Riviera.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Pilgrimage site for star-crossed lovers.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

Venice's "Island of the Mad."