Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

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

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

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

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

A frozen oasis lies beneath the scorching New Mexico desert.

This magnificent, quirky home sits atop a literal gold mine in the middle of the Nevada desert.

The oldest residential street in Europe also features an optical illusion.

This 80.33 troy ounces of solid gold is believed to be the largest nugget from Oregon still in its original form.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

A cooled lava flow from the Haleakalā volcano formed these surreal-looking columnar basalt structures.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

Watch the newest land on the planet form before your eyes.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

A once-glowing grotto at the bottom of Waikapalae Wet Cave.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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

A B&B on a Victorian lighthouse station in San Francisco Bay.

This popular cave pool is truly magical, despite the crowds.

The only thing sweeter than the potatoes is the canine proprietor of this roadside stall.