This legendary urban waterfall creates a dazzling display of rainbows.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The world’s first penitentiary, meant to be humane, drove men insane.

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

This limestone outcropping was once a ceremonial site for ancient Native Americans.

An abandoned town is hidden in Great Smoky Mountains National Park.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This replica of the Greek structure is in the heart of Nashville.