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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

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

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

A quick trip around the globe through an amazing miniature exhibit.

A semi-scholarly approach to sex.

This sprawling museum holds one man's giant collection of real tanks.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

A 30-foot-tall cement chair pays tribute to a historic design and a local industry.

A Christian-themed amusement park and complex rocked by scandals.

The ruins of this once-grand mansion are linked to one of the country’s most popular clothing brands.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

An ornate abandoned schoolhouse hidden in the woods near a decaying mill town.

The imprints of astronaut Charles Duke’s moon boots live on at Myrtle Beach’s official South Carolina Hall of Fame.

This maze-like, oceanfront gift shop—the nation’s largest— has been serving kitsch to the Myrtle Beach community for over 80 years.

Hidden in this little-known town stands a piece of agriculture history.

A natural swimming hole that was once a ceremonial center for Mayan priests.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

A nearly century-old amusement park is quietly decaying in a riverside forest in South Carolina.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Locals dubbed this abandoned abode the "gingerbread house" because of its odd architecture.

The world's only bushplane museum captures the spirit of the early planes and pilots and their contributions to northern life in Canada.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.