This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

Terrifying derelict military hospital once housed a recuperating Hitler.

This small Brazilian museum honors the work of a German biologist who studied the jungles for decades.

The preserved home of the first settler of "the most German town in Brazil."

It's as if the herds walked straight out of a fairy tale into the Missouri wilds.

In the middle of Calvary Cemetery stands this singular memorial to a small boy who died too young.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

It is the only marker for one of the most famous hate crimes in American history. There are no other memorials for him in the entire state.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

The easiest way to the highest point in Wyoming is only accessible via one hefty fee.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

A small Wyoming town is home to the state's oldest-operating soda fountain.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

A miraculous natural phenomenon known as "the spring that breathes."

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

An architect's childhood fantasy treehouse made real.

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

One man's ambition created this psychedelic log home.

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.

The first declared National Monument in the United States.

Pieces of an island in Lake Michigan's history are preserved in this small cabin museum.