Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This replica of the Greek structure is in the heart of Nashville.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

An enormous park-like oasis, full of famous Chicagoans’ graves.

Apparently, the whole cosmos emanates from this plain concrete tower.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

Beloved bar home to musicians of all eras and reputations.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

No one knows how many bodies are in this vault in a Chicago public park.

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

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

A popular Icelandic children's story comes to life inside this cave.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

California's longest-running tourist attraction is a stump.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

A B.Y.O.B. Mexican cantina lives inside one of the last tortilla factories in Brooklyn.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

Fiery-hot river rocks make soup sizzle at this restaurant showcasing indigenous Chinantec cuisine.

This amazing collection includes rare stamps from around the world, including fluorescent ones.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.