This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

This massive swimming pool is the high tech home to the human-powered submarine races.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A historic Montreal market that was the city's agricultural hub for over century.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

This extravagant villa built by a Burmese merchant is part pagoda and part European mansion.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

Rotting dome home spotted near Chapel Hill, North Carolina.

This Virginia town has been famous for its fried chicken since the 19th century.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.