Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

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

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

Advice-columnist's bell tower, paid for with pennies.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

The bones of an old zoo crumbling in the shadow of a new one.

The city is full of whimsical portals to another world.

Trade in that pesky human soul for cold-hard circuits.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

There aren't too many operational funiculars around, but Pittsburgh has two!

An 18th-century Catholic church converted into an eccentric temple of music and bacchanalia.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.