The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A key producer of charcoal iron in the early 1800s, the structure still stands today.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

This abandoned ironworks was once the most important military supplier in America.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

A Wild West jailhouse that slid down the mountainside.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

This Maine bridge may be the last wire-supported bridge of its type in the world.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

Within this beautiful Pittsburgh cemetery, a unique headstone bears witness to one man's eternal love for Jaws.

A failed piece of Orientalism has become the proud symbol of a community.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.