Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Rummage through this sunken ship, but leave your scuba gear at home.

Elevated freight railway turned wildly successful urban park.

The proud hometown of an American legend has honored their favorite son with what seems to be a gravestone.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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

A spiritual vortex among the red rocks in Sedona.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Permanent exhibit reminds visitors of the Exxon Valdez.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

A glacier pocked with ice caves and surrounded by rainforests.

Tubing through a cave lit with glowworms is a magical underground experience.

This sheep farm has been forever transformed since being built for “The Hobbit” film series.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.