Dr Barnes' $25 billion private collection of art and arboretum.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

This Florida museum dedicated to western artwork is entered through an artificial canyon with imported sandstone.

A circus legend leaves an unexpected endowment.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

What happens when a sculptor has to find a way around a 100-year-old copyright.

Surprisingly delicious Asian-style hot dogs.

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

A perfect circle of 24 mysterious holes dates back to prehistoric times.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

This historical swimming pool near Miami is emptied and refilled each day with naturally filtered water.

The oldest continuously operating fish market in the United States.

Also known as the Founding Church of Scientology.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Washington's iconic carousel has a nice piece of Civil Rights history.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.