A spooky spot along the road where things mysteriously seem to move uphill by themselves.

A small town Romanian cemetery filled with darkly humorous gravestones.

This Transylvanian church has changed its denomination four times.

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

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

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

Once the legendary capital of the Dacian Kingdom, this city has been reduced to mere ruins.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This eccentric folly house was designed by Romanian thinker Bogdan-Petriceicu Hasdeu, with a helping hand from his deceased daughter's spirit.

This 11th-century structure is one of the oldest churches in Romania.

This massive underground salt mine now holds a sci-fi theme park in its depths.

This museum dedicated to divination also honors a local 10th-century prophetess.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

The most powerful waterfall in all of Europe.

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

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

A sulfuric martian landscape that looks far better than it smells.

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

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

This elegant arc of a waterfall marks a religious turning point.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

The Arctic Circle runs through this isolated spot north of Iceland.