The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

This former coal gasification plant found a curious second life as a popular public park.

A wall of chewing gum moonlights as collective art.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

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

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

In the parking lot of a fast food restaurant, a statue memorializing a prolific bull elephant.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

A giant time capsule not scheduled to be cored until 2040.

Pennsylvania's own Roswell-style UFO mystery.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The only statue of its kind to commemorate Washington's beginnings as an officer of the British Colonial Militia.

A quirky collection of outsider art made from automobile parts.

The 28-foot granite map plots the locations of 40 theaters in New York City.

This Art Deco service station has been providing tune-ups and turning heads for close to a century.

Built in the 1970s, this curious modular home found new life as a sundae-shaped ice cream stand.

Two gems of Beaux Arts architecture that have been sitting vacant for years.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.