A unique cartoon-filled roadside attraction.

An immense cave that has served as an outlaw's treasure trove, an underground dance hall, a nuclear fallout shelter, and much more.

Cockroach Museum features roach celebrities and live hissing cockroaches.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

A mud volcano in Indonesia spews out 50,000 cubic meters of mud every day.

This abandoned plantation was once witness to an eclipse that proved Einstein's theory of relativity.

This stone obelisk commemorates the discovery of the world's largest gold nugget.

The gorgeous murals at this open-air museum form the largest street art collective in Chile.

It's just another skyscraper, but it's shaped like '90s cell phone.

How a lunch counter in Chile became a shrine to the 42nd president of the United States

This sculpture meant to honor the bravery of the Indigenous Mapuche people of Chile proved controversial.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

A beautiful deserted greenhouse in the middle of a park.

The bridge continues the legacy of President Franklin D. Roosevelt's New Deal policy.

Hike the ruins of a zoo that was shut down by an unsolved murder.

A crew of die-hard train buffs spent decades turning a defunct stretch of railway in Oklahoma City into a museum now home to over 50 antique and restored trains.

The curiosities and wonders of pharmacy in a delightful historic building.

Come for the 14-foot-long taxidermy alligator. Stay for the mini costumed gators shooting pool.

A tribute to one of the most memorable characters from the Transformers movie series.

A half-size replica of the World Trade Center towers above Tulsa.

A school-themed restaurant where gastronomy is the core curriculum.

This unusual stone monument marks the starting point of the epic and tragic event.

This Art-Deco movie palace is the oldest independent cinema in Atlanta.