A series of waterfalls so massive they straddle the border of Argentina and Brazil.

The most southern point you can drive to in the Western Hemisphere.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The king of U.S. high points towers over every other peak on the continent.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

The largest known Ancient Egyptian obelisk.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

This Scottish burial tomb once held hundreds of ancient eagle bones.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

The heads of two giant mythological water horses honor Scotland's horselord past.

This early version of the guillotine was used to execute the man responsible for its construction.

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

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.