This fascinating cave is packed with prehistoric rock art and Stone Age tools.

Arrogance and quarreling are forbidden near these three sacred waterfalls.

The petrified remains of 150-million-year-old trees can be seen in and among the houses of the local villagers.

Zambia's smallest national park is home to one of the world's largest annual mammal migrations.

Artifacts showcasing the witchy history of Zambia.

A secluded natural oasis hidden deep along a rainforest trail.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Time stands still at this serene burial ground in the center of Budapest.

A two-way chairlift system between Zugliget and the highest point in the city.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

This subterranean necropolis holds three floors of antler-dug grave caves.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Thanks to its heroic service during WWII this Soviet castle has been turned into a monument towered over by a brutalist titan.

Take Soviet nostalgia to new heights by toasting the first man in space over a full spread of Belarusian and Soviet fare.

Nearly three decades since the fall of the Soviet Union, the hero of the USSR still stands over Belarus.

A small museum in this border city displays the contraband art that has been stolen back from smugglers.

Dozens of Soviet-era trains and carriages fill this outdoor museum.

A part of the world's largest marsh seems to be growing bright red Martian grass.