One of the earliest graveyards in the region.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

These medicine cabinet staples are part of the museum's collection of everyday objects.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Yo, Adrian!

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

Visitors to this library are in for a real-world education in modernist architecture.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The celebrated eyesore created by starry-eyed sweethearts.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

How did a French journalist’s grave become the sexiest statue in the cemetery?

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

In its continuing quest to recreate famous parts of the world in miniature, China now has its own ghost Paris.

A prestigious learning institute of old Shanghai.