The site of the climactic scene from the classic horror film is now a historic landmark.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

A chessmaster's dream destination.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

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

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

The United States Capitol's former columns still stand.

Largest Roman Catholic church in North America.

A former major munitions plant that has been converted into a sprawling art space.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A multi-storied adobe complex has been inhabited for more than a thousand years.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Legendary site where an evil bishop was devoured by rodents.

The world's only silo that was topped by two revolving restaurants has unfortunately been demolished.

Tiny castle in the middle of the Rhine made you pay to pass.