Walk on a glass floor suspended over ancient mummified remains.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

The large collection of pre-Columbian pottery might make you blush.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

A powerful tribute to the victims who suffered under Ethiopia's most devastating regime.

This mysterious complex of abandoned yurts and fading murals was meant to be a center of science and spirituality in Kyrgyzstan.

Giant cauldrons overflow with Uzbekistan's favorite rice dish at this cavernous dining hall.

This river island in Sierra Leone is home to impressive biodiversity and the country's first community conservation program.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

First point in the Struve Geodetic Arc, a 19th century undertaking to measure the Earth's size and shape.

A historic scientific breakthrough that crosses nine borders.

The Guardian of Tallinn.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

The reconstruction of this prominent building fulfilled a long-written command.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.

The oldest housing complex in Riga is a mini timeline of architectural trends.

A black cat protests the City Guild in Riga's Old Town.

Flamboyant architecture from the turn of 20th century.

This fountain pays homage to Qatar's history of pearling, the primary industry before oil.