One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

The oldest church in Iceland is one of the few to feature ornate decoration.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

This modern monument to pagan belief looks like it was transported straight from ancient times.

This rusting remnant of the local herring industry is being given a second life.

Staves, storm-calling, and of course, necropants.

Hundreds of boat-shaped headstones fill this graveyard as part of a centuries-old custom with mysterious origins.

This enormous abandoned prison was once dubbed the "Bastille of Romania."

Climbing to the top of the cathedral's bell tower offers sweeping views of these medieval ruins.

One of the oldest churches in Romania is believed to have been built on the site of a pagan temple.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

The romantic botanic tunnel feels like a well-kept secret.

Moss and stone turn this waterfall into an otherworldly liquid veil.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

The graveyard is filled with beautiful funerary art and boasts breathtaking views of Florence.

One of the oldest cemeteries in Germany was originally used for victims of a cholera epidemic.

This enchanting mountain plateau celebrates spooky local folklore.

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

The only gulag ever to exist in socialist Yugoslavia.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

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.