Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

The blinking light atop the iconic landmark has been sending secret messages for decades.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

A whimsical bridge adorned with decorative dragons.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

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

The history and future of cannabis.

The "Prussian Versailles" that is as glorious today as when it was built.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The world's largest gathering of flatbed coupes can be found annually at this rural festival in New South Wales.

A spectacular impact crater in the rugged heart of Central Australia.

Monument that stands 40 feet and weighs 1,000 pounds.

Modeled after the big, ferocious Hexham Grey mosquito.

Roadside display for a popular fruit and vegetable stand.