Extraordinary objects lurk in this quintessential regional museum.

Volcanic stone sentinels stand watch at a Korean Bell Garden in Virginia.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

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

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Take a stroll through this centuries-old tunnel of enormous moss-hung evergreens, nestled among the grounds of America’s first public sculpture garden.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The trials and tribulations of marking Poe's grave.

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

This pre-Revolutionary War grist mill ground corn and flour for soldiers in seven American wars.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

This modernist cinema has survived war and reconstruction to become a symbol of Lebanon’s revolutionary spirit.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

A whimsical bridge adorned with decorative dragons.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.