Architecture

This bed and breakfast is steeped in history and offers guests a unique way to experience nature—glass igloos on a frozen lake.

The meaning behind this triumphal Roman arch was a mystery until the early 20th century.

This metal church may or may not have been designed by Alexandre-Gustave Eiffel.

A beautiful 19th-century mansion slowly crumbled and became a 'ghost house' after World War II.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

Knights Templar are visible inside this stunning Cistercian abbey.

This medieval city gate is now a blend of the past and the modern world.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

This building has two facades of clashing architectural designs.

Unfortunately, you can no longer spend a night in this single-person treetop hotel.

This beautifully restored fortification kept the city safe for centuries.

A former Roman town that was once the home of Scipio Africanus.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

This former hotel and casino was part of a paper mill operation that was one of Mexico's largest employers.

The confluence of modernist and traditional architecture in this religious complex reflects the history of both the living and the dead being uprooted, displaced, and rehoused.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

The United Arab Emirates's biggest and oldest fort pays homage to a lost era.