From morgue to urn, watch the whole process at this unusual educational attraction.

The only quarter of the Old City not dedicated to a major world religion.

A geometric jumble of homes.

The mosaic floor of a 4th-century synagogue features a pagan zodiac wheel alongside traditional images of a Torah ark and menorahs.

You can row a boat through this ancient underground reservoir.

The unexpectedly beloved remnants of a controversial thermal power plant.

The former 1920s mansion of a prominent Catalan developer was used as the Soviet Embassy during the Spanish Civil War, and there is still a bunker below the garden.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

A Swedish farm is the world's only producer of the rare, creamy delicacy that is moose cheese.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

Touching displays of wishes for peace from the Cold War era.

One of the most ethnically diverse spots on the planet.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

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

The Avenue of Mausolea is a series of grand palatial tombs.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

The remains of a medieval city loom in one of the most isolated desert regions of Turkmenistan.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

A cemetery with goat-horn bedecked gravestones.

A fiery crater has been burning in the Karakum Desert since 1971.

The largest Lenin statue in Central Asia was moved to an empty field rather than being destroyed.

The largest dam in the world and the site of a potential disaster.

Traces of the thriving lake trade that once linked the Soviet Union with Mongolia.

Enormous statue of the Emperor of the Mongols.