The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A clock designed to run with perfect accuracy for 10,000 years.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Abstract dinosaur models in London.

Rebuilt remains of a temple to Roman god Mithras.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The television series' iconic giant foot was borrowed from this classical painting.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Hundreds of protractors affixed to surfaces all over the city.

St. Augustine's record-setting narrow street was designed to protect against pirates.

Found: Garden of Eden in Miami-Dade County, Florida.

This state park was once an important Native American cermonial center.

A museum preserving one company’s history of preserving food.

Located within a historic park, the beacon is the oldest standing structure in Miami.

A building so large that it has its own weather.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

This beautiful Miami garden was designed as a laboratory for tropical plants.

The only Florida state park with publicly accessible caves.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.