Places meltingknight Wants to Go

The mystery of this small, brick pond eluded its possibly only investigator until his death.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

This Dutch statue is a monument to the fictional shrew who brought doom to the city of Stavoren.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

It took 82 years and four different plaques to finally get the story right.

This giant disembodied horse head seems to balance impossibly on its nose.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

A perilous medieval road leading right into the sea.

A medieval military street hidden beneath a charming French fishing village.

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

The U.S. government built the million-pound stack of steel during the Space Race.

The massive machine creates cracking displays of indoor lightning.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

The highest point in Belgium is a staircase to nowhere.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Colorful concentric circles honor a small Croatian town's supposed spot at the nucleus of it all.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

This abandoned factory on the Hudson River once churned out a million bricks a week.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.

Huge standing stones mark a site of megalithic mystery.