A clone of a cloned tree that was so important it allegedly had its own guards.

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.

This functional solar system model was inspired by the famous Eisinga Planetarium.

A neo-Gothic temple in central Mexico featuring a labyrinthine network of crypts.

More stones than Stonehenge, all scattered within a windswept landscape sure to enchant 'Outlander' fans.

A relatively obscure antihero from the Marvel Comics universe adorns a wall inside Iceland's main airport.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

This Art Deco airport was once deemed “the air hub of the Americas.”

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

Legend holds eating just one of these black eggs can add seven years to one's life.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

An all-female order shares an ancient culinary art with visitors at their mountaintop monastery.

For this chef, an active volcano is his oven.

This outpost of America's most popular fast-food restaurant is housed inside a palatial mansion.

Worship at the altar of seafood at this fish-and-chip shop housed inside the town's oldest stone church.

More than a century old, this cast iron bridge on the Balmoral Estate leads to nowhere.

This 600-year-old home seems to defy physics.

This unusual structure may be on its way to becoming a cultural landmark in Toronto.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

A giant concrete egg marks this Indiana town as the "Egg Basket of the Midwest."

An intricately carved Viking church overlooks a glistening fjord.

One man's grief over the national tragedy has manifested in a pod of homemade whales on his front lawn.

A series of 33 stone markers maps an ancient 55-mile transportation route.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.