This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

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

Lie in a hammock where George Washington stood.

One of the few surviving "Wigwam"-themed motels.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

A treasure trove of rare and exquisitely detailed antiques

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

A bit of retro transportation flair preserved in the world's largest department store.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Where monkeys run wild and the humans are caged.

This sprawling bookstore spans four floors and has more than a million books in stock.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

Moonbows over Kentucky.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

An abandoned theme park with a strange and tumultuous past.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

An underground magnet for ever-changing street art.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

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