A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

This "floating railway" is one of the world's oldest monorail systems.

This one-time health resort was used by aristocrats around the world.

The first mosque in the world to receive electricity.

The place where World War I began.

Bridge that died in war and was resurected.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

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

An ancient necropolis of magnificent tombs.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

An ancient capital city that dates back 3,000 years and harbors many surprises.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

The site where the leader of the Kosovo Liberation Army was killed is now a memorial.

Amsterdam's former hotspot for public executions and dissections.

Europe's first floating restaurant is home to a hilarious legend.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

An often overlooked ancient site in downtown Athens with substantial history (and nature).