The world's oldest and largest museum of mass transit vehicles.

This Maine bridge may be the last wire-supported bridge of its type in the world.

The most photographed house in Maine looks good enough to eat.

New England's tallest light house stands on an island with a history of cannibalism and death.

This colorful theme park dedicated the official fruit of Maine serves sweet, tasty treats.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

The eccentric mansion of one of the most popular horror authors of modern times.

This abandoned airplane hanger is said to have once been a top secret launch facility.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

Bridge that died in war and was resurected.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This Croatian island is for sale but no one is buying due to the dozens of accused Nazi sympathizers who were massacred there after WWII.

This picturesque medieval monastery guards a small trove of historic treasures.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

The only gulag ever to exist in socialist Yugoslavia.

The now-overgrown beach resort was once frequented by Yugoslav military elite.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Longest fortress system anywhere in Europe.