Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

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

The preserved house of a jazz legend still echoes with his music.

The palatial McDonald's that inspired Wesley Willis.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

An enormous, inside-out glass globe built in 1935.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

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

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Step inside Lucy, the world's largest "elephant."

The grandest stage for the world's foremost masters of invisible instruments.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.