The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

An exact replica of a colossal Olmec head sits atop a pyramid within a Madrid traffic circle.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

One of the world's oldest universities houses an incredible collection of anatomical models, mummified body parts, and human bones.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

The earliest known map to show America, discovered by accident at a Paris bookshop.

The morbid items in this small and hidden museum are not for the weak stomached.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

Modern art commemorates one of the first military actions of World War II.

This Communist-era residential block is one of the longest residential building in Europe.

A World War II torpedo launch station abandoned off the Polish coast.

The city-sized home palace of one of ancient Egypt's most powerful rulers gives us a rare look into the lives of the epoch's rulers.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

On this Polish road, an optical illusion makes cars seem to roll uphill.

In the midst of a living monument to Soviet social engineering, Polish Catholics built this church by hand.