Soaring over the Niagara Whirlpool since 1916.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Quite possibly the last cross all humans will ever see.

A natural gas leak provides a flickering flame beneath a waterfall.

Museum dedicated to the struggles of the disabled.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

The angel of death appears to weep black tears at this grave marker.

Landmark dedicated to the plight of the American Indian in the 21st century.

This alley-cum-fan gallery in the ex-Nirvana drummer's hometown holds the world's largest drumsticks.

Steepest flood safety railway in the entire world.

Pennsylvania's own Roswell-style UFO mystery.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Largest Roman Catholic church in North America.

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

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

Home to items never before seen by the public.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

Daily lunch spot for many of Washington, D.C.'s cab drivers.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.