This monument is dedicated to Balto, the heroic Alaskan sled dog.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Try not to get slimed in Tribeca.

A popular European tradition makes its way to the states on one of America's most famous bridges.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

Lie in a hammock where George Washington stood.

This antique thermometer honors the creator of the first universal temperature scale.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

This 13th century Gothic brick castle is the largest in the world by surface area.

Naturally formed rock city in Poland.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A dilapidated dock tells the story of Titanic’s missed arrival.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

One of only two commuter aerial tramways in the United States.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

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.

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.

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