A sparkling sandstone cliffside that's worth a visit while it still exists.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The prototype for all Nazi concentration camps.

Art historians have debated the identity of this medieval stone rider since the 19th century.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

Art blooms at this unique outdoor gallery along the banks of the Arkansas River.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

First crafted during the 19th century, the mill was fully restored in 1983.

Impressively shaped, perfectly balanced boulders perched on the edge of a sea-cliff.

Site of James Cook's historic observations of the 1769 transit of Venus.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Stand astride the International Date Line in Fiji, with one foot in two different days.

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The Pope’s secret escape route.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A freedman baker’s lavish tomb has a relief showing various stages of Roman bread making.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.