This century-old grotesque has a mysterious history and may not actually be a rabbit.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

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

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

One of the oldest living oak trees in the Southeast.

The eccentric mansion of one of the most popular horror authors of modern times.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

This dizzying span over the ancient Algerian city was once the highest suspension bridge in the world.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

The fading, forgotten remains of a once bright and booming factory.

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The only thing stranger than stumbling onto these philosophical musings is the story of the homesteader who created them.

A 19th-century cabin built into a hollowed-out Sequoia tree.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

An architect transformed this abandoned cement factory into his castle-like workshop.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

A breathtaking 19th-century trail overlooks Lake Tahoe.