This gorgeous space is England's largest independent library outside of London.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

One of the world's largest pyramids stands within El Mirador, the "lost city of the Maya."

Mesoamerican monoliths and zoomorphic stones covered in royal visages, ancient mythology, and grand celestial events.

The remains of an ancient settlement in one of the oldest archeological sites in South America.

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

A small, emotionally charged room inside the Mario Testino Museum dedicated to Princess Diana and one famous photo shoot.

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

A fascinating insight into daily life in the Eastern Bloc.

One man's hand-sculpted collection of colorful masks representing a host of gruesome spirits.

A surreal museum of extraordinary industrial objects.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.