Memorials and tributes scattered across the university grounds remember a famous national tragedy of the Nixon era.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

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

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

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Cemetery featuring rare glass-fronted columbarium.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.

Theater has had many different incarnations but has survived the ravages of time.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

The resting place of a Civil War celebrity's amputated limb.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

The maritime museum that boasts the largest nautical library in the western hemisphere.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A hot dog stand where the heads are just as hot as the dogs.

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

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.