This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

At this monastery, monks make raw-milk cheese and use excess whey to create methane that powers their hot-water system.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

A winery built on the site of a Gallo-Roman estate uses historical tools to recreate ancient vintages.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

A historic arena where the Beatles played their first concert in the U.S.

Need a hardcopy of the 50-title Code of Federal Regulations? This is the place.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

A promising candidate for the lost rock laid by George Washington was unearthed, but the hunt is still on.

There just so happens to be a court even higher than the U.S Supreme Court: a basketball court in the building itself.

During Prohibition, the U.S. Congress had an "official" bootlegger, with his own Capitol Hill office.

100 years later, they're still down there.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.