Places mascall Wants to Go

This chimney is the oldest free standing industrial chimney in Britain.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

An extensive network of secret tunnels was created for the Nazi project "Riese."

A subterranean playground in an abandoned slate mine.

A monument to peace, built by one man over the course of 25 years.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

These dilapidated planes are now a canvas for graffiti artists.

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

One of the largest mines in Bulgaria is now home to a vast museum more than 100 feet underground.

While it would not look out of place among Serbian spomeniks, this massive Bulgarian monument commemorates one of their defeats.

This mysterious and once-grand memorial still embodies a remarkable architectural vision.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

An abandoned monument remembering the "Pančevo Holocaust" now stands as a shadow of its former self.

An abandoned Ecuadorian prison that once held ex-presidents and notorious con artists is now a carceral museum.

Quito's historic, main square dates back to the 16th century.

The gondolas let you glimpse a bird's-eye view of one of the world's highest capital cities.

This research hub in the Amazon Rainforest is perched amid one of the world's most biologically diverse landscapes.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

Home of the "true" equator.

The secret room where early Bolsheviks cranked out propaganda fliers on a smuggled printing press.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

This outcropping was once home to a medieval monastery destroyed during the Ottoman conquest.