Moss and stone turn this waterfall into an otherworldly liquid veil.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

A collection of art from Bulgaria's time as a communist state.

Russian researchers who have been excavating ancient squirrel burrows may have brought a 32,000-year-old plant back to life.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

One of the world’s best microminiaturist, Nicolaï Siadristy displays his lifetime of tiny creations in this museum.

Get past the gatekeeper's apartment and enter an elaborate hoax of a restaurant with a Masonic feel.

This unique Lady Liberty is one of the only examples of the figure sitting down.

Ride in 1960s style on the private luxury train Marshal Josip Tito used to travel around Yugoslavia.

The ruins of an ancient Zoroastrian Tower of Silence believed to be the earliest example of the traditional funerary practice.

18m long sarcophagus of a constantly growing dead prophet.

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.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

A Kyiv-based repository for all manners of discarded curiosities.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

Structure built from the skulls of vanquished foes.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

A misnamed well, with a deep dark past.

The unusual sculptures are believed to be powerful political symbols.

340-foot statue built to honour the Heroes of the Soviet Union.