One of the largest burial mounds in the Netherlands and Belgium.

A rare double mill nestled along the banks of the Aa river.

The Latvian city of Ventspils is filled with dozens of cow statues showcasing unique themes.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

The oldest continuously operating pharmacy in Europe.

The final resting place for the remains of 143 Habsburg royalty.

The "dragon babies" of southeastern Europe.

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

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

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

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

Dedicated to the armor and weapons used by the legendary Japanese warriors.

Every color in the rainbow awaits.

A 20-meter (65-foot) robot towers over Tokyo Bay.

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

An abandoned cable car station located on the Danube stands like a haunted house above the river.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

This small hermitage on Mount Scalambra was built near what some believe is the miraculous imprint of Saint Benedict's hand.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.