A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

A prime example of socialist modernist architecture, wrapped in a enormous fresco about the media.

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

A unique sculpture calls the outside of this steakhouse home.

This restaurant combines two Finnish traditions in one place: warm-weather relaxation and outdoor carpet-cleaning.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

The largest known meteorite on Earth was too big to move.

Road signs in Namibia mark the location of one of the five major circles of latitude.

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

The home of half the world's population of critically endangered mountain gorillas.

After sitting unused for decades, this abandoned communist infrastructure became a wildlife utopia.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A medieval church built up to defend its village.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

Something's watching you.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

This once-derelict building is now one of the most beautiful bookstores in the world.

An open-air "garden" of mural art that changes weekly.

Turntable anonymously received orphans, alms, and groceries.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

An early 20th-century bullring converted into a modern shopping center.