A breathtaking flower tunnel bursts with beautiful golden blossoms.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

An eatery for UFO seekers on the Extraterrestrial Highway.

This sign designates the road that leads to the infamous Area 51.

Mysterious meeting place for UFO hunters near Area 51.

In a country where driving from one town to another is literally impossible, this small stretch of gravel is a remarkable feat.

Northern Ireland's Brobdingnagian stepping stones.

The abandoned village of Skarð aptly illustrates the idiom "Don't put all your eggs in one basket."

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The largest whale museum in Europe allows visitors to walk among life-size giants.

Walk in the footsteps of the gods and straddle two tectonic plates.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

Bits of flat terrain surrounded by cliffs make one of the most beautiful landscapes in the Azores.

Museum dedicated to awful artwork.

A 16th-century horror show built in a lovely Italian garden.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

An unsettling sculpture of a boy hanging out in a street in Ghent has been baffling visitors for years.

With a history of slaughter, feast, and famine, remnants of the pork industry decorate this area--even its church.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

Museum in a swimming pool where the water still flows.

This is what trains will look like after the zombie apocalypse.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.