A historic town sits upon the site of a long-lost 18th-century trading community.

This exoskeleton was gifted to Rutgers University by Japan for its role in educating some of the first Japanese citizens to study outside the country.

This colonial mansion has been home to a staggering number of American historic figures.

A bronze monument to the infamous radio broadcast in the real New Jersey town where the fictional Martians crash-landed.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Stalactites and stalagmites in a beautifully lit cave.

Pompeii's less famous neighbor is still revealing her secrets.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A submerged archeological park still holds the wonders of a Roman Sodom.

These items are all that remain from the room used by the author during his second tour of the U.S.

A World War II-era submarine is stuck in the mud in New Jersey.

This huge work of functional public art replaced a landfill in New Jersey's Meadowlands.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

Series of storm drains connected to a dark urban legend.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

Whimsical artist house in the New Jersey woods.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

Six peaceful acres in a residential neighborhood dedicated to art and peace.

Exact replica of the ancient monument, but much, much lighter.

These massive concrete balls were used to mine gold in Virginia.

The grave of a champion Thoroughbred hides within the former presidential estate.