Roman ruins top white travertine terraces formed by ancient hot springs.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

A tiny church on a man-made island in the Adriatic.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

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

An ancient knight and a symbol of the city's freedom.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

Gargoyle head that brings good luck.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The "dragon babies" of southeastern Europe.

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

A whimsical bridge adorned with decorative dragons.

The oldest inn in England served brew to the crusaders.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

One of the most well-preserved temples of ancient Egypt.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A miniature train-ride through Slovenia's largest cave system.

This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

Where commuters walk through remnants of an ancient Greek necropolis.

This legendary city has been a tourist attraction for centuries.