A free library to stumble across, one of many placed worldwide if you know where to look.

Memorializing the bravery of one young woman facing the monster of her age.

Whether hero or rogue, his silver bullet is said to have taken down the murderous "Beast of Gevaudan."

What looks like a normal building is really a hollow facade hiding a subway vent.

A Parisian boutique devoted to la Sape, the elegant Congolese fashion subculture rooted in European colonization.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The Sun King's military models, saved from the Louvre.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Fantastic views and thousands of love locks.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Carved fountains poignantly placed in parks and in front of special monuments.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

The stunning interior of this Gothic church is covered in ornate gold details.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

A parade of antique steeds offers a quirky ride through history.

Who knew the Devil's domain was a hot spot for tubing?

How did the right arm of a 13th-century English bishop wind up in a Connecticut church?

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.