Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This poignant display is now a memorial to these regionally extinct species.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

This morbid scene depicts the Darwinian drama of death on the African savannah.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This impressive scene portrays the elusive forest giraffe of Central Africa.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

Red frames showcase remnants of one of New York's original subway stations.

This slender three-story building has also had several famous residents.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

You must take the A train... to the last active cemetery in Manhattan.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.