One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Rock face that shares a name with Mary Shelley's famous doctor.

One part local history, 99 parts gruesome haunted house.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

A small chapel celebrating the spiritual bond between dogs and humans.

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

A spiritual vortex among the red rocks in Sedona.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Set sail on a small scale.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Friction between grains of sand cause a curious "singing" sound.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

An architectural statement of artistic intent smack in the middle of Providence, Rhode Island's Colonial uniformity.