Ancient barriers wrap around what was once an important stop along the Silk Road.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

An unusual monument to a gentle giant who became a Kyrgyz hero.

This mysterious complex of abandoned yurts and fading murals was meant to be a center of science and spirituality in Kyrgyzstan.

A building facade covered with the statues of 11 giants of Tajik literature.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

One of the largest and oldest caravansaries in Persia.

An eerie, little-known Neapolitan museum filled with preserved human remains.

In an isolated field near a dilapidated barn stands this chilling portrayal of the plight of the Nuba peoples of Sudan.

Because sometimes you need to make a batch of frites even when the stores are all closed.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

The world's northernmost brewery uses water from a 2,000-year-old glacier to create its beer.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

The smallest restaurant in the world.

A medieval Italian village is fighting depopulation with this vibrant annual street art festival.

One of the U.K's earliest public water supplies is within the "plague village."

Local lore says two enemy dragons live within these breathtaking mountain lakes.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

A tribute to Richard Feynman is carved into the land he planned to see but never got to visit.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

An abandoned tower once used to study the cosmos hides within a thicket of greenery.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

The oldest funicular in Lithuania has been climbing this steep hill since 1931.