An eerie reminder to the horrors of World War II.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

Once the primary source of ice in this region during the mid-20th century.

Elvis's own personal tropical hideaway.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

The first declared National Monument in the United States.

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

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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

A remote coral island with a gristly history of shipwreck, battles, and a horrendous war crime.

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

A perfect turquoise lake colored with glacier dust.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

The ruins on a deserted tropical island in the Philippines bear the scars of WWII.

This fountain was once heralded as the largest in the world.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Cities of the world and famous Thai monuments in minature.

A modern temple with an ancient philosophy.

This dangerous-looking suspension bridge may have been too unstable to remain open.

The world's most active stratovolcano is almost always erupting.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.