The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The second oldest continuously operating bar in Louisiana.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Roses and other fascinating flora fill this garden built to commemorate Britain's immortal Bard.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

Like Mardi Gras, only everyone's a pirate.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Though illegal, city officials have made an exception for this work of art.

A historic landmark and museum filled with curious objects representing the history of Key West.

A historic presidential getaway on the continental United States' southernmost island.

The museum chronicling a treasure hunter's dream, fulfilled.

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

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

The headquarters of the famous Yale society.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.