Circus cemetery for all the “showmen under God’s big top.”

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

A small granite block at this monument's base is the only part of Lincoln's Tomb outside of Illinois.

Moonbows over Kentucky.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A local prank turned town icon.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A historic coal mine that doubles as a museum and tourist attraction.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

The seat of Buffalo government is a gorgeous Art Deco palace.

The absurd creation is a compulsory destination for selfies in Buffalo.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

The only presidential monument to display a late POTUS's actual casket.

Could it have picked a better place to land?

A castle built by an eccentric medieval enthusiast in rural Ohio.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.