A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

A serene plaza that commemorates one of the Granite State's most iconic figures.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

A small obelisk marks the spot where Captain Sam Greele was killed by a falling tree.

A 12,000-year-old bog boasting rare plants and fauna.

This exhibit is one of the largest and most well-preserved collections of Jurassic-era trackways in the United States.

This mysterious artificial cave has long puzzled New Englanders.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

Millions of numbers carved in glass represent the tattoos forced upon victims.

A monument park dedicated to the influential Beat Generation author and poet, Jack Kerouac.

The gravestones in this historic cemetery are carved with mysterious faces.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

A collection of haunted objects and macabre oddities under one roof.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

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

Odd outsider art installations surround a Gold Rush-era ghost town.

This magnificent Cincinnati graveyard is also a popular public park.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.