Vintage steam trains that still run through a pre-Civil War tunnel

This concert venue and educational trailblazer transforms kids through music.

Stroll among more than 50 large-scale sculptures created by world-class artists.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

A white oak with property rights.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Louis Sullivan’s dark, swirling cast-iron designs envelop a popular department store in this Chicago landmark.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

This historic hotel invented the chocolate brownie.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This hillside mushroom farm shares land with a Buddhist monastery.

The design of this modernist church was revolutionary when it was constructed in 1942.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

Three columns of volcanic rock shoot out of the ocean.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.