An abandoned dollhouse factory.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

Homemade rockets, dinosaurs, and robots make this New York small business much more than a furniture store.

A dead saint, a deadly poison, and a mysterious holy ooze.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

An ancient knight and a symbol of the city's freedom.

A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

Longest fortress system anywhere in Europe.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Gargoyle head that brings good luck.

Humble beginnings for one of the world's most famous scientists.

Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

Final resting place of two dozen New York City harbor ships.

The 28-foot granite map plots the locations of 40 theaters in New York City.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.