This three-story antique market and curiosity emporium claims to be "the largest singly owned antique shop in the Pacific Northwest."

This Cold War missile launch site has been abandoned for 40 years.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

An obscure waterfall that looks like something out of a fantasy novel.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

This WWII plane died a quiet death, and is now a garden eel playground.

An extensive collection of fine art devoted to man's best friend.

A floating museum that was sunk by a flood and left to rot in the tides.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

A museum dedicated to man's boldest venture.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

European castle ruins in an American state park are actually the product of death and grief.

The longest navigable underground river in the United States is home to countless blind and albino animals.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

The humble fort that saved Washington.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Despite not growing anywhere near New York City, bananas are ripened in a pressurized room in the Bronx using precise banana science.

You don't have to be an ambassador to dine like one.

Come for the waffles, stay for more waffles.