This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

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

An urban laboratory.

The remains of this visionary community can still be found much as it was a century ago.

Collection of scores of race cars from the 1900s to recent lovingly maintained and displayed.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

The only Leonardo Da Vinci painting in the Western Hemisphere.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The ritual has been performed uninterrupted for nearly 700 years.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

An immersive Māori village where you can learn history and heritage through dance, ceremony, song, architecture, and food.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

The once and future home of New Zealand's famed Pink and White Terraces.

Deadly scalding and one of the largest hot springs in the world.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

This supermarket offers shoppers a window into the past alongside their groceries.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.