The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

One of the world's oldest continually operating bookstores.

This simple rock stands as a memorial of the major student protests of 1968.

This museum houses and extensive collection of technology contributed by the Polish people.

This antique store and museum features unusual items from all corners of the world.

A map store filled with original Cold War era Russian maps of the world.

This Art Nouveau mansion was used as the "House of the Screaming Child" in Dario Argento’s giallo classic.

An off-the-beaten-path monastery in the northern hills of Ulaanbaatar.

A phantasmagoric tomb honors a Belgian artist-scientist's contributions to the world of spooky entertainment.

Considered an enigma by folklorists, an object of primitive animistic worship lives on in Yamanashi.

This fortress-like monastery is covered with intricate frescoes.

A luxury hotel constructed out of a former jail.

The tomb of one of the greatest travelers in history.

This ancient gaming tool was unearthed during the construction of this former town's central square.

This former ghost town high in the mountains of northern Mexico is now a pilgrimage site.

One of the largest mud-brick structures in the world.

An extravagant 18th-century fountain built with bits of broken ceramic.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

A bullet-scarred monastery chronicles Mexico's turbulent history of foreign invasions.

The ruins of a military fortification sit atop this mountain.

Legend says Dungeons and Dragons players can get their dice blessed at the creator of the game's memorial.

The final resting place of Gary Gygax; co-creator of Dungeons and Dragons.

A monument to an Irish secret society thought to be responsible for a string of violent attacks in Pennsylvania coal mines.

Maybe the most iconic character in the Easter (Holy Week) processions in Zamora.