The metal leaves on this tree are engraved with the names of Holocaust victims.

This sculpture honors the man who was known as the "Righteous Among the Nations."

The most visited, and possibly most controversial, museum in Germany.

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

The first archaeological site discovered by aerial photography.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The highest concentration of Art Deco buildings in the world.

The largest living museum in the Northeast recreates life from the Early Republic period complete with costumed historians and reenactors.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

Scary metal statues adorn some of the signature buildings of Burlington, Vermont.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

Elevated freight railway turned wildly successful urban park.

The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

Home to some of the oldest hominid fossils ever found.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

The Cape of Good Hope is not quite as low as you can go on the African continent, but it's still geographically significant.

The world's largest impact crater is mainly eroded but still remembers the planet's violent history.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.

This small monument marks the divide between the Atlantic and Indian Oceans at the southernmost tip of Africa.

See a full-scale whale skeleton and experience the captivating culture of Alaska’s Native people at this heritage center in east Anchorage.

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

Home to the deepest rift anywhere on Earth.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."