A dark, narrow tunnel that leads to a charming lake and waterfall.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

See where Bill Murray kidnapped a hapless Punxsutawney Phil.

Ruins of the original wooden flume that carried water to Virginia City are still visible high on the Virginia Range.

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.