A museum where visitors can learn about greyhounds and (more importantly) pet them.

Over 30 brightly painted Dala horses roam through ‘Little Sweden.’

The largest mural in the world painted by a single artist.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

Two gushing waterfalls of hot spring water within a block of each other.

Mobsters came for a soak in the hot springs, and stayed for the illegal gambling and bootlegging.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

An abandoned Ecuadorian prison that once held ex-presidents and notorious con artists is now a carceral museum.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

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

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

One of Europe's oldest libraries.

A statue of a Scottish cultural icon in central Sydney.

The tabby ruin is Savannah’s oldest surviving structure.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

America's only nuclear missile silo open to the public.

Previously a hot spring, this park remains a site of unique history, wildlife, and geology.

This church on a Tohono O'Odham reservation has stood since 1797.

Make a wish at what might be America's only Catholic shrine to a sinner.