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 oldest U.S. Government building in California, and it's State Historic Landmark #1.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Home to items never before seen by the public.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

The trials and tribulations of marking Poe's grave.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.