The legacy of the Ohio-founded Fostoria Glass Company lives on in West Virginia.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Step into the courtroom to learn details of the only case in history where ghostly testimony led to a murderer's conviction.

This abandoned amusement park was built on a site with a dark history.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

Bronzes and busts that once stood in the city's main squares are now relegated to a small hidden courtyard.

A memorial to the atrocities of the People's Socialist Republic of Albania.

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

Stuck in the middle of a modern Madrid city block are the remains of a 19th century sports complex.

A comprehensive look at the art of Joaquín Sorolla in his former home in Madrid.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

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

An ancient Egyptian temple in the middle of Madrid, Spain.

This lucky bronze frog was gifted to Madrid by a casino.

This embalmed man is one of the best preserved mummies from the Canary Islands.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.

This enigmatic Iberian sculpture of uncertain origin may have once guarded a burial site.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

This open-air sculpture museum is located under a bridge in the center of Madrid.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

This German fountain of a legendary apple wine-loving drink thief will spit on you.