The seat of Buffalo government is a gorgeous Art Deco palace.

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.

A display of magnificent stained glass windows is the first exhibit of its kind.

An ancient Roman theatre restored to its former glory in the Spanish city of Cartegena.

Two thirds of this Montreal neon icon has survived to flash another day.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

A secret hatch containing two parchments was discovered in this statue over 40 years after its installation.

Home to the deepest rift anywhere on Earth.

A military museum and library dedicated to the citizen soldier.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

The maritime museum that boasts the largest nautical library in the western hemisphere.

Hundreds of trees made from glass bottles make up this forest on Route 66.

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

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

America's second-oldest brick baseball stadium was home to a legendary WWII series that only sailors got to see.

This old-fashioned carhop restaurant gave the world the waffle cone.

Where beautiful signs live on forever.

Concrete strongholds stand guard over the Golden Gate.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

This historic tower in the California desert promises visitors a "vortex of good vibes".