The fading, forgotten remains of a once bright and booming factory.

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

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

This statue is dedicated to Grace Sherwood, the last person in Virginia to be convicted of being a witch.

A rare view of a preserved Victorian science museum.

A park full of outsider art, created by college students studying outsider art.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

10,000 flowered plants bloom in the City of Roses.

An architecturally-focused antique shop.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

These particularly resplendent rodents are the state animal of Maharashtra.

A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

Art becomes an enchanting part of the environment at this wooded sculpture park.

This Manchester laundromat is hiding something.

One of the American Southwest's most extensive collections of Navajo rock art.

A treasure trove of rare and exquisitely detailed antiques

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

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

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A beautiful but toxic fountain of mercury.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.