The remains of a convent turned military barrack in the heart of Madrid.

The little church's beautifully frescoed ceiling has earned it the nickname “the Sistine Chapel of Madrid.”

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

According to folklore, Vermont's slanted windows were installed to keep witches from flying into the house.

An early 20th-century bullring converted into a modern shopping center.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

Dedicated to one of the darkest moments in Irish history.

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

Elaborate tile work in this railway station tells the story of Portugal.

A hidden three-foot-wide house separates these two regal churches.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A thorough look at the development and history of the underground's rolling stock of the Madrid subway system.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

This small museum tucked within a subway station holds pieces from Madrid's past.

This modernist bridge highlights the bear as a symbol of Madrid.

King Carlos IV laid the first stone during construction of this chapel.

The monumental steeple on Amherst College's campus has no church attached to it.

The mighty room where the poet spent most of her life is available to rent for an hour or two.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

This embalmed man is one of the best preserved mummies from the Canary Islands.

These ancient artifacts are a testament to the enduring significance of the bull in Spanish culture.