The underground sanctuary of a mysterious ancient cult.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Peek through the gates at this oasis from the city, full of Old English charm.

A much more welcome kind of snowbird vacationer, manatees camp out in these springs every winter.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The middle finger of modernity.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

It’s not hard to see why the historic Peabody Conservatory of Music’s library has been described as a “cathedral of books.”

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

Remnants of a storybook amusement park hidden behind a strip mall.

A museum and shop on Bourbon Street located in the French Quarter.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A semi-scholarly approach to sex.