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

An underwater restaurant, surrounded by a coral reef.

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

A fascinating assortment of cave dwellings, medieval ruins, and sarcophagi are being devoured by the forest.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Legend has it a sacred treasure hidden by an ancient guru was revealed with a burning butter lamp from these waters.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

This mysterious marker puzzles pedestrians and infuriates geographers.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

A trio of giant megalithic stones in the middle of a golf course.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.