Believed to be the former location of one of the earliest Viking assemblies in Europe.

A sparkling sandstone cliffside that's worth a visit while it still exists.

A hidden beach at the end of a tunnel of mangrove trees.

The world's brightest bioluminescent bay.

A luxuriant botanical garden below sea level.

One man’s collection of photography books has transformed into a charming exhibition space.

The highest natural point in New York City and all of the Atlantic coastal plain.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

Unusual rock formations eroded into a landscape of stone beasts.

Built to hold the worst of the worst of the Nazi war prisoners.

A sacred lake composed of over 300 separate pools of highly concentrated minerals.

A man throwing a giant severed hand towers over Antwerp’s main square.

Statues portraying anatomical deformities were placed in this garden to foster ethical behavior.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

A man-made island fort that has housed soldiers, scientists, and ravers.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

A meditative space out of a fantasy story.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Dramatic river bend surrounds a natural red-rocked pedestal.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

A roadside attraction filled with an astounding array of gloriously wacky vehicles.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

A local shop filled with handcrafted art and funky home furnishings, vintage, and antiques.