Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A dilapidated dock tells the story of Titanic's missed arrival.

Elevated freight railway turned wildly successful urban park.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A strangely forgotten claimant to the much contested title of "Source of the Nile."

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Abandoned medieval hill town.

Descend into the tunnels to experience the life of a coal miner.

Hiding the longest subterranean river known in the world.

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

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Swarms of dainty flying insects swarm into the Petaloudes Valley to get busy.

Historic medieval fortified city in southwest France.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Sacred waters rescued from the wrath of a volcano.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

This bridge was constructed from the rubble of the infamous Bastille.

The celebrated eyesore created by starry-eyed sweethearts.

Pop culture has helped to keep this iconic British building from being destroyed.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.