An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

Things aren't quite what they seem at this mind-bending museum.

Lithuania's outdoor sculpture trail of wooden folk art.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.

Mysterious heaps of stones dot these otherworldly woods.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

A marvel of Byzantine engineering under the streets of Istanbul.

An Argentinian businessman facing terminal cancer built this whimsical medieval village using salvaged materials.

Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

Queen of the waterlilies, so big and strong it can support the weight of a human.

A faux desert landscape in the middle of the jungle that sprouts oases during the rainy season.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.