More than 350 million years ago, western New York was covered in a vast sea. Today, you can dig up the remains of the plants and animals that lived there.

Canada's oldest sugar maple has been growing since around 1500.

This observation tower is a longstanding, 1960s landmark in the Thousand Islands region of Canada.

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

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

A museum where visitors can learn about greyhounds and (more importantly) pet them.

These strikingly barren, rolling red hills were caused by bad farming practices.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

A fiery crater has been burning in the Karakum Desert since 1971.

This historic lighthouse has been reincarnated as the perfect picnic place.

A black cottonwood gets a second life as a home for books.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

Hidden deep in the Guatemalan jungle is a turquoise paradise of natural pools, caves, and waterfalls.

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A historic neighborhood church is reborn as a psychedelic arts collective.

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

This Neolithic passage tomb forms part of a World Heritage Site.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Accessible only by train, the beauty of Agawa Canyon Wilderness Park is worth the journey.