One of the largest underground systems runs under Canada's largest urban center.

This stone complex marks the urban center of a lost civilization.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

Beautiful public park off the beaten path and away from tourists.

This spooky statue sits outside a famous Prague theater.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

This family-run joint has been going whole hog for nearly 100 years.

The oldest church building in the state.

A maritime museum holding the remains of Blackbeard's pirate ship.

The scene of the largest surrender of Confederate troops at the end of the American Civil War.

Born from segregation and exclusion, Durham’s Black Wall Street is now a living reminder of the city’s past

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

Piled high inside this warehouse and coffee shop are salvaged goods that span every corner of the globe.

A unique work of outsider art sourced from scrap metals and signifies conservation.

A stone marker commemorating the first time sound was transmitted over wires.

This rusted car found in Petrified Forest National Park's Route 66 exhibit may be the most photographed abandoned car in the country.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Why settle for barbecue chips when you can get actual barbecue?