This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

A marvel of Byzantine engineering under the streets of Istanbul.

A sober museum housed in the original administrative building of one of Stalin's largest gulags.

A Stalinist prison camp for the wives and children of men accused of betraying the Soviet state is now a memorial museum.

A collection of Lenin busts and other Soviet Era statues sit idly behind the Semipalatinsk Hotel.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

An entertainment center in a huge transparent tent.

Avenue of trees planted by cosmonauts before their space departures.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

One of the most horrible legacies of the Cold War is a site where the Soviet Union tested nuclear bombs on civilians.

Iconic pyramid from famed British architect Norman Foster designed to represent all of the world's religious faiths.

The lovely lake that was naturally dammed, then naturally destroyed, then unnaturally saved.

A brilliant turquoise lake in the mountains.

Mysterious spherical rocks in the semi-desert of western Kazakhstan.

World's oldest and largest space launch facility, once a secret missile testing site.

18m long sarcophagus of a constantly growing dead prophet.

Light still pours into the ruins of this ancient Islamic observatory.

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

The heartbeat of modern Uzbekistan’s thriving market culture.

This ''hidden'' 19th-century bridge played a simple, yet important role during the Spanish-American War.

This memorial to a family's dead son has survived a century of hurricanes and earthquakes.

This "sausage route" features gorgeous views and family-owned restaurants.

This rock in the middle of a river in Jayuya contains dozens of Pre-Columbian Taíno petroglyphs.