Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

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

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Skyscraper powered by wind turbines attached between its towers.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

Baroque celebration of the end of the Great Plague of Vienna.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

The South's nickname was supposedly born at a former bank in New Orleans' French Quarter.

The world-record holder for the longest bridge stretching continuously over water.