The Avenue of Mausolea is a series of grand palatial tombs.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's most famous cemetery, with some of its most curious tombs.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The world’s largest work of glass art hides in this stunning Taiwanese subway station.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Plenty of old carney magic still haunts this photogenic amusement park.

Secret North Korean passage discovered below the world's most dangerous border.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

A rare pod of derelict midcentury Futuro and Venturo houses lines a semi-abandoned beachfront resort outside Taipei.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

This collection of lakeside pagodas and temples are flanked by giant lions, tigers, and dragons as well as their welcoming maws.

Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The heads of two giant mythological water horses honor Scotland's horselord past.