An incarceration museum on the spot of possibly the oldest prison in England.

Hear the quietest sound from across the dome.

The anatomical-pathological collection of a man who changed surgery.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

Catacombs turned marketplace.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

The curios of pharmacist and collector Henry Wellcome.

Eighty million natural history specimens call this gargantuan museum home.

One part local history, 99 parts gruesome haunted house.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

An oddities shop that dabbles in the deathly and beautiful.

The history of the traveling carnival is remembered by this sprawling collection of vintage wagons, games, and rides.

The snowbirds here are circus sideshow performers.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

An eclectic treasure trove of maritime marvels.

For 32 years the famous Ringling Bros circus troupe spent winters in this sunny spot in Florida.

A sculpture of 18 beautiful clay mandalas on display at Warm Mineral Springs in Florida sends a message of world peace.

The largest retailer of seashells in the world.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

Though it's unclear why it's there, the lifelike sculpture of the giant lizard is oddly charming.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.