Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

A huge museum of much more than just agriculture displayed in a princess's palace.

Slum Settlement Filled With Mountains of Garbage.

In an arboretum with hundreds of memorials to the fallen, this one might be the most poignant.

A long-overdue monument to the forgotten British men drafted into the coal mines during World War II.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Follow the original medieval paths that wind through this intriguing section of the city.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

The last four extravagant street signs of London's historic banking street.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

The commemorative stone column conceals a secret laboratory.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A public urinal so pretty, it was declared a national monument.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

Known as the "Stairway to Heaven," this historic canal dates back to the 1700s.

This medieval manor house was equipped with secret compartments for hiding priests.

This pub can leave even the sober feeling slightly unsteady.

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

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.