A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

See massive fossils that are over 200 million years old in northeastern Arizona.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Rustic natural hot springs in the deciduous rain forest.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Rising from the sea like a stone monster.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The atmospheric road was never meant to be so creepy.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Staves, storm-calling, and of course, necropants.

A beautiful geyser under environmental threat.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.