A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

A collection of art from Bulgaria's time as a communist state.

An unfinished complex built for children from around the world sits abandoned on the Black Sea coastline.

An Orwellian sculpture with eyeball cameras watches passersby.

The bridge's highly-contested plaque (once again) honors Confederate President Jefferson Davis.

A nostalgic bibliographic gem.

The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The heart of a Scottish legend had a centuries-long journey before reaching its final resting place.

His "Lionheart" is entombed separately from the rest of his body.

The headquarters of Pakistan's first press club remains a haven for debate and discussion.

A shining, cold, black organ lies in San Francisco's financial district.

Visitors come from all over to bring gifts and tokens to the grave of Alice, who is thought to have died of a broken heart.

The gigantic preserved heart of a champion racehorse.

This Old Testament garden features 100 plants from biblical times.

A small Richmond island dotted with the remnants of hundreds of years of history.

The world's largest squirrel statue clutches a pecan bigger than your head.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The oldest still-existing mosque in the United States sits in a remote prairie in North Dakota.

A wondrous old library overlooking the nation's capital.