A short tunnel built straight through a magmatic dike.

After immigrating to Paris in the 1970s, two brothers from Laos built a grocery store empire.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

This time-honored eatery near Hoàn Kiếm Lake serves the classic pairing of rice vermicelli soup and savory sticky rice.

For more than a century, Parisians have come for affordable dishes in a grand converted train station.

The famous sculptor had a hand in this imposing fortress.

This Algerian sweet shop serves confections in an eye-popping array of hues.

See more than 150 sculptures, stained glass windows, and famous works of art all rendered in marzipan.

An oasis of beauty, tranquility and botanical research in the middle of Rome.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

The strange “kaiju” of Lake Imba that allegedly killed over a dozen men with a single strike of lightning.

A well-preserved example from a 1920s network of airmail navigation arrows sits near Interstate 15 in southern Nevada.

The origin of this bizarre, ghostly idol is a local mystery, even to the temple it calls home.

The wreck of a World War II cargo ship has become an unintentional time capsule at the bottom of the Red Sea.

Fully loaded, Tunisian-style sandwiches are on the menu at this unassuming hole-in-the-wall.

It bustled briefly in the late 1860s, but little is now left at this stage stop on the Hamilton/Pioche Stage and Freight Road

After witnessing the rise and fall of three empires, this ancient city was finally destroyed by a series of earthquakes.

Hidden in an enchanting ravine, numerous mysterious sandstone grooves hint at ancient pagan rituals.

This mysterious church sits discreetly above the Aude countryside, right in the heart of "Grail Country."

An ancient Roman snake god, carved expertly into stone.

The biggest depiction of Don Quixote's love interest in the whole world.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

Next to a newer mosque in Khujand’s main square lies the city’s oldest mosque, whose interiors are spectacularly intricate.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.