The ornate miniature mansions were built for Istanbul's feathered residents.

Central Europe's largest collection of mini-bottles is on display at this museum devoted to a bitter Hungarian liquor.

According to the locals, the sands of this secluded Norway beach are infused with gemstone particles.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

Walk 2,300 feet above the ground on the "Troll's Tongue."

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

This psychedelic tourist trap is a leisurely descent into madness.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A psychedelic labyrinth on the San Francisco bay.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

This open-air museum was originally a World War II testing ground for German missiles and rockets.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.