This restored eighth-century palace is a shining example of ancient Umayyad architecture.

The world's tallest bridge is also possibly the most elegant.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

French commune at the heart of conspiracies.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

Indigenous cultures believed all life would end if this enormous rock toppled.

This medieval castle was home to a known tyrant and features several hidden passages.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

This unique rock formation is quite the local celebrity, although one day it may come crashing down.

The bronze uniforms commemorate the vital role of women during World War II.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

These murals stand as reminders to the troubled history of this Northern Ireland city.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

These temples are among the oldest free-standing stone buildings in the world.

The bell that once tolled atop a lost Edinburgh gate now hangs for all to see.

Enormous sandstone towers loom within a Czech forest.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.