A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Budapest's Communist-era statues, banished to the suburbs.

Once the home of a hermetic monk, this cave now houses a small church.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

An overlooked memorial honoring the local Washington residents who died in World War I.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

The only working large-scale tea plantation in the United States.

One of the oldest living oak trees in the Southeast.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A lush green oasis in the middle of Chicago.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.