Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

Denmark’s never-ending bridge.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

Lodged in the wall of this driving school is a Zastava 750, one of the region's most popular cars.

A schooner, nicknamed "The Unsinkable," with a long history of survival in the Indian Ocean.

An abandoned village, frozen in time by the threat of a landslide.

An underground nightclub helped spark a "Singing Revolution."

This natural monument has an origin story steeped in legend.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

The apartment where Pippi Longstocking came to life.

Once a bridge over the River Begej, now high and dry.

Order “Proletariat’s Cutlet” at this communist-themed restaurant allegedly once visited by Lenin.

An idyllic traditional timber village on a picturesque hill was built for a film.

This picturesque castle in Poland has a rich history, including a legend that ties it to lost Incan treasures.

Hundreds of preserved dinosaur footprints can be found along a hiking trail in this small village.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

This hotel was once home to a steamliner company and became the final rest stop for Europeans heading to the New World.

A seaside castle complex that stood through centuries of conquests.

The ridged layers that make up this river canyon represent Earth's geological history.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

Inside this metro station is a section of the city's former medieval fortification.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

This outcropping was once home to a medieval monastery destroyed during the Ottoman conquest.