High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

An intimate look into the apartments of Jounieh via cable car.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

Used as an example in one of the first dictionary entries for "museum" in 1706.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

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

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

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

One of Europe's largest supercomputers is housed inside of a disused chapel.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

An old slave lookout in Cuba's historic sugar cane fields.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

A fountain standing as a testament to a doomed alliance.