The highest point in Delaware is located under a trailer so this marker across the street will have to do.

These lush botanical gardens employ the most purrfect pest control force.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Pennsylvanian mass grave and possibly mass murder.

An unusual and eclectic collection of local historical memorabilia.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

This might just be the TARDIS of bookstores.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

The secret city built by the Manhattan Project.

More than five miles of underground passageways.

Throughout this South Korean village, homes and businesses are covered in fantastic handpainted murals.

A Korean rock bassist's wild dream has become a reality at this completely insane boutique hotel.

South Korea's women of the sea have completely flipped their society's structure by becoming revered fisherwomen.

Asia's largest limestone cave is home to a world of plastic goblins and gold mining history.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

One man and his wife have turned a barren Korean island into a fantastical botanical wonderland.

South Korea's only sex-themed park.

A theme park made of glass, from the gleaming books on the shelves to the crystal fish in the mirror lake.