These abandoned country fairgrounds are filled with replicas of Spanish monuments.

Built to celebrate the glory of a new queen, this forgotten monument has moved around Madrid three times, reflecting 200 years of political whims and city redevelopment.

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

This phone booth was recreated to honor "La cabina," considered the best horror film in the history of Spanish television.

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

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.

One of the best examples of the modernist movement in Madrid.

The remains of a convent turned military barrack in the heart of Madrid.

The Spanish king's private bathroom embraced the idea of a porcelain throne.

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

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

Strange masks and obscure costumes are housed in this old Madrid corrala.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

A vault of safe-deposit boxes in an old bank has been repurposed as a time capsule of Hispanic culture.

An old, deep well, connected with a miraculous, divine rescue and the patron saint of Madrid.

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.

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

Hidden under a center for the elderly are the dungeons which were used during the Spanish Inquisition.

Remains of the lost church hide beneath this Spanish Parliament building.

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

This girder was hit by a bomb during the Spanish Civil War, but nobody knew about it until 2016.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.