This ancient Egyptian obelisk still bears the wounds of World War I.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

The commemorative stone column conceals a secret laboratory.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

A sliver of nostalgia in Seattle's Viretta Park.

A unique botanical garden housed in three giant geodesic domes.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

Legends surround this jagged rock formation in the New Mexico desert.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Dramatic river bend surrounds a natural red-rocked pedestal.

This is one really big nut.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.