Travel through the hidden underbelly of the city in colorful tunnels filled with art and history exhibits.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

This lovely tree was a thank you gift from the man known as "Public Enemy No.1."

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Located in Nairobi National Park, this animal orphanage is the oldest of its kind in Kenya.

The final resting place of soldiers who fell during the First and Second World Wars.

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

A strangely forgotten claimant to the much contested title of "Source of the Nile."

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

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

Exact replica of the ancient monument, but much, much lighter.

The site of the climactic scene from the classic horror film is now a historic landmark.

Home to items never before seen by the public.

The romance of early commercial flight still fills this Art Deco destination.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

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

A sculpture of a salmon swimming through a brick building.

The magic's in the hole!

A Roman-style column in Oregon hides a spiral staircase inside.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

This private residence was the template for one of the most beloved television homes of all time.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A local prank turned town icon.