The world's tallest statue of an American hero.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Over 100 years ago this pyramidal holding cell was reserved for rowdy drunks but now only offers five minute sentences.

Standing atop Wellington Hill is the world's tallest three-sided obelisk.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

The largest greenhouse in the world is home to over one million types of plants.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

A stunning Victorian abbey and walled garden on a lakefront.

This small Irish village suffered the greatest loss of life when the Titanic sank.

This World War II relic let Allied pilots know they were entering neutral airspace.

A beloved upside-down beacon off the coast of Northern Ireland.

Northern Ireland's Brobdingnagian stepping stones.

A museum marks and documents the site of the Titanic's launch.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.

A museum and shop on Bourbon Street located in the French Quarter.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The first plantation museum in the United States to focus on the lives of enslaved people.

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

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

An ode to "The Queen of Appalachia."

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Elvis's own personal tropical hideaway.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.