One of the best examples of Art Deco architecture in the United States.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

When you can afford only half a road, you build only half a road.

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

One part antique store, one part curiosities hodge-podge.

A Bibliophile's Dream.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A beautiful geyser under environmental threat.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Famously misunderstood wonder of the ancient world

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Banksy gives themself artistic license with this piece of London street art.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The fairy tale castle of the "fairy-tale king."

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

This former mining town was named the most toxic town in America.

Nature's biggest mammal swims in landlocked Oklahoma.