Strolling through these vintage locomotives offers a surprising amount of insight into the history of Kenya.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

This trio of bronze giants celebrate the influential trip to Britain that led to Botswana's independence.

Spanning over 10,000 square miles, this ancient salt pan is one of the largest on the planet.

The largest greenhouse in the world is home to over one million types of plants.

Famously misunderstood wonder of the ancient world

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

A mud brick kasbah with a history of lavishness and traitorship.

Italian cave with exceptional acoustics and an unsavory history.

The world's most active stratovolcano is almost always erupting.

One of only two commuter aerial tramways in the United States.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The footprint of a frustrated devil in Munich's Cathedral.

A small square plaque marks a failed assassination attempt that could have changed history.

The prototype for all Nazi concentration camps.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

One of the only memorials dedicated to journalists who died in combat.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

The only museum with its curator—and her pets—buried inside.

100 year tradition of fist fights, marked by marble footsteps.