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

The only recreation of William Shakespeare's indoor playhouse.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Avoid gangster interaction while window-shopping.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The "lovely red Vega" of the legendary record-settling pilot.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

At 207 feet, one of the world's longest continuous escalators.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Medicinal spa created with the discharge from a geothermal energy plant.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.