Once a resting spot for King Fernando VII.

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

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

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

This little sun pays homage to a massive gate that once stood at this location.

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

Automatons that were once removed after one fell from the building.

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

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

A window into a long-lost world, these colorful tiles advertise a long-defunct range of purgative teas, harmless smokables, and diarrhea cures.

Dedicated to a young woman who broke gender barriers at the University of Madrid.

Shrapnel scars and bullet holes from the Spanish Civil War can still be seen in this monument to Spanish doctor Federico Rubio.

These three pillboxes still remain as a witness of the Spanish Civil War in a park of Madrid.

This modernist bridge highlights the bear as a symbol of Madrid.

King Carlos IV laid the first stone during construction of this chapel.

A plaque in Madrid’s West Park marks the launch of a queer icon’s unlikely media career.

Shrapnel, dynamite, bullets and Franco couldn't destroy this bust, rescued and kept hidden as a family secret for over 40 years.

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

A towering monument in Spain has proven to be more labor-intensive than initially planned.

The "Father of Arizona" tried to build a Zoroastrian fire temple on the hill where he's now buried.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.

A reproduction of earth's many biomes.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.