A pair of black granite tails dive into a sea of grass in landlocked Vermont.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

Intricate metal sculpture that's half gothic cathedral, half construction equipment.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

A mocking tribute to the past and modern leadership of Prague.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

The video game-themed street art first popped up in the French city.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Abandoned railway line circling the city of Paris.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Perhaps the most spectacular grotto along the Algarve coastline.

A unique seaside cave where Aleister Crowley faked his own death.

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A hot dog stand where the heads are just as hot as the dogs.

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

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

All of Chicago's wood-paved streets are long gone but two alleys remain.