A wonderful and easily overlooked museum tucked in Ohio's Burke Lakefront Airport.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

In Houston's airport, a cow is properly equipped to jump over the moon.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

On the upper deck of this church-owned parking garage stand eight pillars topped with different Catholic saints.

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

A stone-filled garden in the heart of Edinburgh commemorates the father of modern geology.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

A collection of vehicles across American military history.

This overlooked street light once served as a KGB dead letter box.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.

The mounds at this site were reconstructed with the help of archaeologists and historians.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

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

These plaques located in a court preserve a small piece of Edinburgh's history.

The Brigadier General was so afraid of being buried alive that he had a buzzer installed in his mausoleum, just in case he woke up.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

Meet manatees face-to-face at this zoo for native species.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.