Hidden beneath a lake for decades, this brutalist mine has now emerged from beneath the receding waters.

Where the writer penned his famous story about a jumping frog.

An optical illusion found amid a logged redwood forest.

An extensive collection of ancient Egyptian artifacts and mummies.

This massive redwood tree has a hole in the base big enough to drive through.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

Quite simply the largest tree in the world (by volume).

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Canyon walls shrouded in ferns.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A trash dump made beautiful by nature's power.

The second largest reclining Buddha in the world got "lost" for over 120 years.

All of Thailand's architectural landmarks, plus some made up ones, all viewable via two-seater bicycle.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

A limestone wonderland of water and subterranean secrets.