The oldest church in Iceland is one of the few to feature ornate decoration.

Bowl in splendor, if you're lucky.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

This abandoned subway station can still be seen on regular commuter trips.

This replica of the Greek structure is in the heart of Nashville.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Plot your trip through the city on the sidewalk.

Lie in a hammock where George Washington stood.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

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

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Every equinox this Maya pyramid puts on a spooky ancient light show.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

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

Huge masonic hall in Philadelphia with lavishly themed rooms.