A muddy alien landscape that is home to rare species of exotic plants.

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

No one knows who built this strange cave of worship or exactly why.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

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

A giant portrait of an ancient king looms over the river.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

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

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

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

A countryside Romanian cemetery filled with colorful crosses bearing lyrical, ironic, or satirical rhymes.

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

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This Portuguese bullring is built right into the caldera of an island volcano.

Iron Age runes and ruins hide in plain sight along this Portuguese beach.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

The "Little Ones," show Portugal in full miniature splendor.

This architectural beauty is the home to a personal collection of more than 600 examples of mechanical musical instruments.

This oddly shaped church resembles a rocket.

Rainwater transformed this old quarry into a peaceful pond you won't find in most tourist books.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

A micronation on an islet along the coast of a Portuguese island.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

A hidden three-foot-wide house separates these two regal churches.