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

A layered tribute to the work of mosaicist Isaiah Zagar.

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

World's first "penitentiary," meant to be humane, drove men insane.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

More than 700 species live within this murky marvel of a swamp on California's coast.

Haunting and beautiful trees, doomed to die.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

Hundreds of personalized inscribed planks make up this historic boardwalk.

Concrete strongholds stand guard over the Golden Gate.

The first transatlantic wireless signal was received at this 17th-century fort.

This small Newfoundland town has declared itself the “Root Cellar Capital of the World.”

A World War II gun battery sits at the easternmost point of North America.

The tiny airport in remote Newfoundland that inspired a hit musical is also a modernist architectural gem.

This rocky spread has been squeezed up directly from the bowels of the earth.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

This art center is way beyond your average pumpkin-carving operation.

100 massive sculptures in the Hudson River Valley.

Considered by many to be one of the most dangerous highways in Alaska.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

Colorful boxes placed over the dead are left to rot and crumble.