This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Siddhartha Gautama sat here and received enlightenment.

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

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Singapore's landscaping project is home to 18 incredible Supertrees.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

These ancient sacred grounds granted amnesty to those who managed to reach them.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Former villa and estate of James Deering developed to preserve native tropical forests.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

The museum chronicling a treasure hunter's dream, fulfilled.

See massive fossils that are over 200 million years old in northeastern Arizona.