Canyon walls shrouded in ferns.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

This pond is so stunning it looks like you've stepped into one of Monet's masterpieces.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

Japanese island famous for poison gas and fluffy bunnies.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Every autumn, this hillside is ablaze with red summer cypress.

On Japan's Tashirojima Island, cats are king.

Legend holds eating just one of these black eggs can add seven years to one's life.

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

Crushed coral and crystals give the sand its signature coloration.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

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

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

Walk through a restaurant's refrigerator door to reach this hidden bar.

A constellation of golden cobblestones shows the names of local children born under a full moon.

Caves famous for the dragon-slaying saint who lived there.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

The silly symbol for an underground protest group is now scattered around the city.

The site of the first battle of World War II.

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

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

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