One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

100 year tradition of fist fights, marked by marble footsteps.

Go inside to really appreciate this 500-year-old technological masterpiece.

The incorrupt tongue of the patron saint of lost things is venerated in this basilica.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

"The most colorful grottoes of the world.

Take a walk in a recreation of ancient Rome.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This massive, ancient stone was disassembled and then put back together again.

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

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.