Wander through the Corridor of Wonders in these stunning limestone caverns.

The first outlet of Canada's biggest fast-food franchise has been slinging doughnuts since 1964.

For almost 100 years, this site of peace and spirituality has existed on the California coast.

One poet's handmade, anachronistic home.

Hamissi Mamba and Nadia Nijimbere opened this community-minded restaurant serving dishes from their native Burundi.

The farm where one of America's most famous folk artists created her paintings.

This small memorial honors a ferocious feline and local hero.

A monument to the groundbreaking environmentalist sits near the place where she first experienced the sea.

This work of engineering is imbued with elegance and ingeniousness.

In September 1974, a small group of athletes completed the first modern triathlon event in San Diego's Mission Bay.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

A plaque commemorates a Victorian scientist's monumental discovery about waves.

This monument pays tribute to the musicians responsible for creating the Sound Of Asbury Park.

A touching tribute to the "Wonkey Donkey."

In a rural Japanese town that has committed to sustainable practices, even the hotel is made from recycled materials.

Home to a forest of whimsical pygmy Coast live oak.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

An open-air, roadside eatery celebrating a historic indigenous cuisine of complicated significance.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.

Built in 1899, this luxurious home was part of one of the first gated communities in Los Angeles.

For more than 70 years, this small shop has been a go-to for Kolkata's fountain pen connoisseurs and collectors.

Garments from across the globe call this hidden gem home.