A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

Mexico’s first synagogue set up by and for the Ashkenazi Jewish community.

The collection of intricate sculptures includes one carved from a mammoth's tusk

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

66,000 pieces of art, donated by one of the world's richest men.

This unassuming oil well changed the history of the Arabian Gulf.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

Modern art commemorates one of the first military actions of World War II.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

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

In Egypt's expanding metro area, many of the neighbors are dead.

The oldest skyscraper of Europe now stands dwarfed by the surrounding structures.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

Climb a set of vertiginous stone steps to the top of this impressive ancient edifice.

A section of the long chain that blocked enemy ships from entering Constantinople.